228576028 has 24 divisors (see below), whose sum is σ = 420598080. Its totient is φ = 108534720.

The previous prime is 228576017. The next prime is 228576043. The reversal of 228576028 is 820675822.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9076 + ... + 23227.

It is an arithmetic number, because the mean of its divisors is an integer number (17524920).

Almost surely, 2^228576028 is an apocalyptic number.

It is an amenable number.

228576028 is a deficient number, since it is larger than the sum of its proper divisors (192022052).

228576028 is a wasteful number, since it uses less digits than its factorization.

228576028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32397 (or 32395 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 228576028 is about 15118.7310314060. The cubic root of 228576028 is about 611.4255185474.

The spelling of 228576028 in words is "two hundred twenty-eight million, five hundred seventy-six thousand, twenty-eight".