The number 2,264,724 can be evenly divided by 1 2 3 4 6 7 9 11 12 14 18 19 21 22 28 33 36 38 42 43 44 57 63 66 76 77 84 86 99 114 126 129 132 133 154 171 172 198 209 228 231 252 258 266 301 308 342 387 396 399 418 462 473 516 532 602 627 684 693 774 798 817 836 903 924 946 1,197 1,204 1,254 1,386 1,419 1,463 1,548 1,596 1,634 1,806 1,881 1,892 2,394 2,451 2,508 2,709 2,772 2,838 2,926 3,268 3,311 3,612 3,762 4,257 4,389 4,788 4,902 5,418 5,676 5,719 5,852 6,622 7,353 7,524 8,514 8,778 8,987 9,804 9,933 10,836 11,438 13,167 13,244 14,706 17,028 17,157 17,556 17,974 19,866 22,876 26,334 26,961 29,412 29,799 34,314 35,948 39,732 51,471 52,668 53,922 59,598 62,909 68,628 80,883 102,942 107,844 119,196 125,818 161,766 188,727 205,884 251,636 323,532 377,454 566,181 754,908 1,132,362 and 2,264,724, with no remainder.
Since 2,264,724 cannot be divided by just 1 and 2,264,724, it is a composite number.