225151232 has 36 divisors (see below), whose sum is σ = 468975360. Its totient is φ = 107678208.

The previous prime is 225151211. The next prime is 225151243. The reversal of 225151232 is 232151522.

It is a super-2 number, since 2×225151232² = 101386154542235648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 225151198 and 225151207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13232 + ... + 25007.

Almost surely, 2^225151232 is an apocalyptic number.

It is an amenable number.

225151232 is an abundant number, since it is smaller than the sum of its proper divisors (243824128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225151232 is an equidigital number, since it uses as much as digits as its factorization.

225151232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38278 (or 38264 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 225151232 is about 15005.0402198728. The cubic root of 225151232 is about 608.3564391966.

The spelling of 225151232 in words is "two hundred twenty-five million, one hundred fifty-one thousand, two hundred thirty-two".