228932872 has 16 divisors (see below), whose sum is σ = 490570560. Its totient is φ = 98114064.

The previous prime is 228932797. The next prime is 228932909. The reversal of 228932872 is 278239822.

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, 2043988 + ... + 2044099.

It is an arithmetic number, because the mean of its divisors is an integer number (30660660).

Almost surely, 2^228932872 is an apocalyptic number.

It is an amenable number.

228932872 is an abundant number, since it is smaller than the sum of its proper divisors (261637688).

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

228932872 is a wasteful number, since it uses less digits than its factorization.

228932872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4088100 (or 4088096 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 228932872 is about 15130.5278163057. The cubic root of 228932872 is about 611.7435310240.

The spelling of 228932872 in words is "two hundred twenty-eight million, nine hundred thirty-two thousand, eight hundred seventy-two".