A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 8896230 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 81 90 105 126 135 162 189 210 243 270 315 378 405 486 523 567 630 810 945 1,046 1,134 1,215 1,569 1,701 1,890 2,430 2,615 2,835 3,138 3,402 3,661 4,707 5,230 5,670 7,322 7,845 8,505 9,414 10,983 14,121 15,690 17,010 18,305 21,966 23,535 28,242 32,949 36,610 42,363 47,070 54,915 65,898 70,605 84,726 98,847 109,830 127,089 141,210 164,745 197,694 211,815 254,178 296,541 329,490 423,630 494,235 593,082 635,445 889,623 988,470 1,270,890 1,482,705 1,779,246 2,965,410 4,448,115 and 8,896,230, with no remainder.
Since 8,896,230 cannot be divided by just 1 and 8,896,230, it is not a prime number.