The number 2,208,192 can be evenly divided by 1 2 3 4 6 7 8 12 14 16 21 24 28 31 32 42 48 53 56 62 64 84 93 96 106 112 124 159 168 186 192 212 217 224 248 318 336 371 372 424 434 448 496 636 651 672 742 744 848 868 992 1,113 1,272 1,302 1,344 1,484 1,488 1,643 1,696 1,736 1,984 2,226 2,544 2,604 2,968 2,976 3,286 3,392 3,472 4,452 4,929 5,088 5,208 5,936 5,952 6,572 6,944 8,904 9,858 10,176 10,416 11,501 11,872 13,144 13,888 17,808 19,716 20,832 23,002 23,744 26,288 34,503 35,616 39,432 41,664 46,004 52,576 69,006 71,232 78,864 92,008 105,152 138,012 157,728 184,016 276,024 315,456 368,032 552,048 736,064 1,104,096 and 2,208,192, with no remainder.
Since 2,208,192 cannot be divided by just 1 and 2,208,192, it is a composite number.