228604236 has 48 divisors (see below), whose sum is σ = 645474816. Its totient is φ = 61473024.

The previous prime is 228604231. The next prime is 228604247. The reversal of 228604236 is 632406822.

228604236 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

228604236 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 228604197 and 228604206.

It is not an unprimeable number, because it can be changed into a prime (228604231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78616 + ... + 81471.

It is an arithmetic number, because the mean of its divisors is an integer number (13447392).

Almost surely, 2^228604236 is an apocalyptic number.

It is an amenable number.

228604236 is an abundant number, since it is smaller than the sum of its proper divisors (416870580).

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

228604236 is a wasteful number, since it uses less digits than its factorization.

228604236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160118 (or 160116 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 228604236 is about 15119.6638851530. The cubic root of 228604236 is about 611.4506690145.

The spelling of 228604236 in words is "two hundred twenty-eight million, six hundred four thousand, two hundred thirty-six".