228685204 has 24 divisors (see below), whose sum is σ = 443102688. Its totient is φ = 102395040.

The previous prime is 228685199. The next prime is 228685229. The reversal of 228685204 is 402586822.

228685204 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 35839 + ... + 41734.

It is an arithmetic number, because the mean of its divisors is an integer number (18462612).

Almost surely, 2^228685204 is an apocalyptic number.

It is an amenable number.

228685204 is a deficient number, since it is larger than the sum of its proper divisors (214417484).

228685204 is a wasteful number, since it uses less digits than its factorization.

228685204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77655 (or 77653 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 228685204 is about 15122.3412208560. The cubic root of 228685204 is about 611.5228492080.

The spelling of 228685204 in words is "two hundred twenty-eight million, six hundred eighty-five thousand, two hundred four".