224

224 = 2 x 2 x 2 x 2 x 2 x 7.

224 has a unique representation as a sum of three squares: 224 = 4² + 8² + 12².

224 is an abundant number (A005101).

The number 224 times 422 (its reversal) plus 1 and plus 3 are twin primes (94529 and 94531).

224 is an Entringer number (A008281).

224 is the sum of four consecutive cubes: 224 = 2³ + 3³ + 4³ + 5³.

There are 224 ounces in a stone (14 pounds).

Source: Prime Curios!