225015656 has 32 divisors (see below), whose sum is σ = 428652000. Its totient is φ = 110719680.

The previous prime is 225015631. The next prime is 225015671. The reversal of 225015656 is 656510522.

225015656 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×225015656² = 101264090890220672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231251 + ... + 232221.

It is an arithmetic number, because the mean of its divisors is an integer number (13395375).

Almost surely, 2^225015656 is an apocalyptic number.

It is an amenable number.

225015656 is a deficient number, since it is larger than the sum of its proper divisors (203636344).

225015656 is a wasteful number, since it uses less digits than its factorization.

225015656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409 (or 1405 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 225015656 is about 15000.5218575888. The cubic root of 225015656 is about 608.2343063345.

The spelling of 225015656 in words is "two hundred twenty-five million, fifteen thousand, six hundred fifty-six".