228564594 has 12 divisors (see below), whose sum is σ = 495223326. Its totient is φ = 76188192.

The previous prime is 228564569. The next prime is 228564613. The reversal of 228564594 is 495465822.

228564594 is a `hidden beast` number, since 2 + 2 + 8 + 56 + 4 + 594 = 666.

It can be written as a sum of positive squares in only one way, i.e., 200081025 + 28483569 = 14145^2 + 5337^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6348999 + ... + 6349034.

Almost surely, 2^228564594 is an apocalyptic number.

228564594 is an abundant number, since it is smaller than the sum of its proper divisors (266658732).

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

228564594 is a wasteful number, since it uses less digits than its factorization.

228564594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12698041 (or 12698038 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 228564594 is about 15118.3528864754. The cubic root of 228564594 is about 611.4153233168.

The spelling of 228564594 in words is "two hundred twenty-eight million, five hundred sixty-four thousand, five hundred ninety-four".