A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 9227400 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 13 14 15 20 21 24 25 26 28 30 35 39 40 42 50 52 56 60 65 70 75 78 84 91 100 104 105 120 130 140 150 156 168 169 175 182 195 200 210 260 273 280 300 312 325 338 350 364 390 420 455 507 520 525 546 600 650 676 700 728 780 840 845 910 975 1,014 1,050 1,092 1,183 1,300 1,352 1,365 1,400 1,560 1,690 1,820 1,950 2,028 2,100 2,184 2,197 2,275 2,366 2,535 2,600 2,730 3,380 3,549 3,640 3,900 4,056 4,200 4,225 4,394 4,550 4,732 5,070 5,460 5,915 6,591 6,760 6,825 7,098 7,800 8,450 8,788 9,100 9,464 10,140 10,920 10,985 11,830 12,675 13,182 13,650 14,196 15,379 16,900 17,576 17,745 18,200 20,280 21,970 23,660 25,350 26,364 27,300 28,392 29,575 30,758 32,955 33,800 35,490 43,940 46,137 47,320 50,700 52,728 54,600 54,925 59,150 61,516 65,910 70,980 76,895 87,880 88,725 92,274 101,400 109,850 118,300 123,032 131,820 141,960 153,790 164,775 177,450 184,548 219,700 230,685 236,600 263,640 307,580 329,550 354,900 369,096 384,475 439,400 461,370 615,160 659,100 709,800 768,950 922,740 1,153,425 1,318,200 1,537,900 1,845,480 2,306,850 3,075,800 4,613,700 and 9,227,400, with no remainder.
Since 9,227,400 cannot be divided by just 1 and 9,227,400, it is not a prime number.