A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 2226000 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 35 40 42 48 50 53 56 60 70 75 80 84 100 105 106 112 120 125 140 150 159 168 175 200 210 212 240 250 265 280 300 318 336 350 371 375 400 420 424 500 525 530 560 600 636 700 742 750 795 840 848 875 1,000 1,050 1,060 1,113 1,200 1,272 1,325 1,400 1,484 1,500 1,590 1,680 1,750 1,855 2,000 2,100 2,120 2,226 2,544 2,625 2,650 2,800 2,968 3,000 3,180 3,500 3,710 3,975 4,200 4,240 4,452 5,250 5,300 5,565 5,936 6,000 6,360 6,625 7,000 7,420 7,950 8,400 8,904 9,275 10,500 10,600 11,130 12,720 13,250 14,000 14,840 15,900 17,808 18,550 19,875 21,000 21,200 22,260 26,500 27,825 29,680 31,800 37,100 39,750 42,000 44,520 46,375 53,000 55,650 63,600 74,200 79,500 89,040 92,750 106,000 111,300 139,125 148,400 159,000 185,500 222,600 278,250 318,000 371,000 445,200 556,500 742,000 1,113,000 and 2,226,000, with no remainder.
Since 2,226,000 cannot be divided by just 1 and 2,226,000, it is not a prime number.