228136568 has 32 divisors (see below), whose sum is σ = 467555760. Its totient is φ = 103495680.

The previous prime is 228136537. The next prime is 228136603. The reversal of 228136568 is 865631822.

228136568 is digitally balanced in base 2, because in such base 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, 48530 + ... + 53022.

Almost surely, 2^228136568 is an apocalyptic number.

It is an amenable number.

228136568 is an abundant number, since it is smaller than the sum of its proper divisors (239419192).

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

228136568 is a wasteful number, since it uses less digits than its factorization.

228136568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5087 (or 5083 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 228136568 is about 15104.1904119354. The cubic root of 228136568 is about 611.0334251686.

The spelling of 228136568 in words is "two hundred twenty-eight million, one hundred thirty-six thousand, five hundred sixty-eight".