228868056 has 48 divisors (see below), whose sum is σ = 627712800. Its totient is φ = 75321792.

The previous prime is 228868049. The next prime is 228868069. The reversal of 228868056 is 650868822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14431 + ... + 25806.

It is an arithmetic number, because the mean of its divisors is an integer number (13077350).

Almost surely, 2^228868056 is an apocalyptic number.

It is an amenable number.

228868056 is an abundant number, since it is smaller than the sum of its proper divisors (398844744).

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

228868056 is a wasteful number, since it uses less digits than its factorization.

228868056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40328 (or 40321 counting only the distinct ones).

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

The square root of 228868056 is about 15128.3857698037. The cubic root of 228868056 is about 611.6857928306.

The spelling of 228868056 in words is "two hundred twenty-eight million, eight hundred sixty-eight thousand, fifty-six".