556167225 has 24 divisors (see below), whose sum is σ = 921895360. Its totient is φ = 295859520.

The previous prime is 556167197. The next prime is 556167229. The reversal of 556167225 is 522761655.

It is not a de Polignac number, because 556167225 - 2⁵ = 556167193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (556167229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20436 + ... + 39114.

Almost surely, 2^556167225 is an apocalyptic number.

It is an amenable number.

556167225 is a deficient number, since it is larger than the sum of its proper divisors (365728135).

556167225 is a wasteful number, since it uses less digits than its factorization.

556167225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19089 (or 19084 counting only the distinct ones).

The product of its digits is 126000, while the sum is 39.

The square root of 556167225 is about 23583.1979383628. The cubic root of 556167225 is about 822.3722821002.

The spelling of 556167225 in words is "five hundred fifty-six million, one hundred sixty-seven thousand, two hundred twenty-five".