225171472664 has 16 divisors (see below), whose sum is σ = 423056389320. Its totient is φ = 112356435520.

The previous prime is 225171472657. The next prime is 225171472693. The reversal of 225171472664 is 466274171522.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28658429 + ... + 28666284.

Almost surely, 2^225171472664 is an apocalyptic number.

It is an amenable number.

225171472664 is a deficient number, since it is larger than the sum of its proper divisors (197884916656).

225171472664 is a wasteful number, since it uses less digits than its factorization.

225171472664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57325210 (or 57325206 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 47.

The spelling of 225171472664 in words is "two hundred twenty-five billion, one hundred seventy-one million, four hundred seventy-two thousand, six hundred sixty-four".