228137804 has 24 divisors (see below), whose sum is σ = 418889856. Its totient is φ = 108576000.

The previous prime is 228137783. The next prime is 228137821. The reversal of 228137804 is 408731822.

228137804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×228137804² = 104093715227884832, which contains 22 as substring.

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, 7517 + ... + 22644.

It is an arithmetic number, because the mean of its divisors is an integer number (17453744).

Almost surely, 2^228137804 is an apocalyptic number.

It is an amenable number.

228137804 is a deficient number, since it is larger than the sum of its proper divisors (190752052).

228137804 is a wasteful number, since it uses less digits than its factorization.

228137804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30257 (or 30255 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 228137804 is about 15104.2313276777. The cubic root of 228137804 is about 611.0345286537.

The spelling of 228137804 in words is "two hundred twenty-eight million, one hundred thirty-seven thousand, eight hundred four".