228556915108 has 24 divisors (see below), whose sum is σ = 400434544440. Its totient is φ = 114147110400.

The previous prime is 228556915091. The next prime is 228556915177. The reversal of 228556915108 is 801519655822.

It can be written as a sum of positive squares in 4 ways, for example, as 7100084644 + 221456830464 = 84262^2 + 470592^2 .

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, 21579078 + ... + 21589666.

It is an arithmetic number, because the mean of its divisors is an integer number (16684772685).

Almost surely, 2^228556915108 is an apocalyptic number.

It is an amenable number.

228556915108 is a deficient number, since it is larger than the sum of its proper divisors (171877629332).

228556915108 is a wasteful number, since it uses less digits than its factorization.

228556915108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16287 (or 16285 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 52.

The spelling of 228556915108 in words is "two hundred twenty-eight billion, five hundred fifty-six million, nine hundred fifteen thousand, one hundred eight".