The number 7,226,496 can be evenly divided by 1 2 3 4 6 8 9 12 16 17 18 24 27 32 34 36 41 48 51 54 64 68 72 81 82 96 102 108 123 128 136 144 153 162 164 192 204 216 246 272 288 306 324 328 369 384 408 432 459 492 544 576 612 648 656 697 738 816 864 918 984 1,088 1,107 1,152 1,224 1,296 1,312 1,377 1,394 1,476 1,632 1,728 1,836 1,968 2,091 2,176 2,214 2,448 2,592 2,624 2,754 2,788 2,952 3,264 3,321 3,456 3,672 3,936 4,182 4,428 4,896 5,184 5,248 5,508 5,576 5,904 6,273 6,528 6,642 7,344 7,872 8,364 8,856 9,792 10,368 11,016 11,152 11,808 12,546 13,284 14,688 15,744 16,728 17,712 18,819 19,584 22,032 22,304 23,616 25,092 26,568 29,376 33,456 35,424 37,638 44,064 44,608 47,232 50,184 53,136 56,457 58,752 66,912 70,848 75,276 88,128 89,216 100,368 106,272 112,914 133,824 141,696 150,552 176,256 200,736 212,544 225,828 267,648 301,104 401,472 425,088 451,656 602,208 802,944 903,312 1,204,416 1,806,624 2,408,832 3,613,248 and 7,226,496, with no remainder.
Since 7,226,496 cannot be divided by just 1 and 7,226,496, it is a composite number.