A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 2262330 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 19 21 27 30 35 38 42 45 49 54 57 63 70 81 90 95 98 105 114 126 133 135 147 162 171 189 190 210 243 245 266 270 285 294 315 342 378 399 405 441 486 490 513 567 570 630 665 735 798 810 855 882 931 945 1,026 1,134 1,197 1,215 1,323 1,330 1,470 1,539 1,701 1,710 1,862 1,890 1,995 2,205 2,394 2,430 2,565 2,646 2,793 2,835 3,078 3,402 3,591 3,969 3,990 4,410 4,617 4,655 5,130 5,586 5,670 5,985 6,615 7,182 7,695 7,938 8,379 8,505 9,234 9,310 10,773 11,907 11,970 13,230 13,965 15,390 16,758 17,010 17,955 19,845 21,546 23,085 23,814 25,137 27,930 32,319 35,910 39,690 41,895 46,170 50,274 53,865 59,535 64,638 75,411 83,790 107,730 119,070 125,685 150,822 161,595 226,233 251,370 323,190 377,055 452,466 754,110 1,131,165 and 2,262,330, with no remainder.
Since 2,262,330 cannot be divided by just 1 and 2,262,330, it is not a prime number.