252815224 has 16 divisors (see below), whose sum is σ = 474201000. Its totient is φ = 126361632.

The previous prime is 252815207. The next prime is 252815231. The reversal of 252815224 is 422518252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32919 + ... + 39865.

Almost surely, 2^252815224 is an apocalyptic number.

It is an amenable number.

252815224 is a deficient number, since it is larger than the sum of its proper divisors (221385776).

252815224 is a wasteful number, since it uses less digits than its factorization.

252815224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11502 (or 11498 counting only the distinct ones).

The product of its digits is 12800, while the sum is 31.

The square root of 252815224 is about 15900.1642758809. The cubic root of 252815224 is about 632.3163440595.

The spelling of 252815224 in words is "two hundred fifty-two million, eight hundred fifteen thousand, two hundred twenty-four".