228886056 has 72 divisors (see below), whose sum is σ = 721118970. Its totient is φ = 65395008.

The previous prime is 228886013. The next prime is 228886081. The reversal of 228886056 is 650688822.

It can be written as a sum of positive squares in only one way, i.e., 131469156 + 97416900 = 11466^2 + 9870^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 28911 + ... + 35966.

Almost surely, 2^228886056 is an apocalyptic number.

It is an amenable number.

228886056 is an abundant number, since it is smaller than the sum of its proper divisors (492232914).

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

228886056 is a wasteful number, since it uses less digits than its factorization.

228886056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64903 (or 64889 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 228886056 is about 15128.9806662577. The cubic root of 228886056 is about 611.7018283517.

The spelling of 228886056 in words is "two hundred twenty-eight million, eight hundred eighty-six thousand, fifty-six".