228522656 has 24 divisors (see below), whose sum is σ = 462065940. Its totient is φ = 111172608.

The previous prime is 228522649. The next prime is 228522689. The reversal of 228522656 is 656225822.

It can be written as a sum of positive squares in 2 ways, for example, as 228010000 + 512656 = 15100^2 + 716^2 .

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, 95321 + ... + 97688.

Almost surely, 2^228522656 is an apocalyptic number.

It is an amenable number.

228522656 is an abundant number, since it is smaller than the sum of its proper divisors (233543284).

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

228522656 is a wasteful number, since it uses less digits than its factorization.

228522656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193056 (or 193048 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 228522656 is about 15116.9658331293. The cubic root of 228522656 is about 611.3779260049.

The spelling of 228522656 in words is "two hundred twenty-eight million, five hundred twenty-two thousand, six hundred fifty-six".