225492858 has 12 divisors (see below), whose sum is σ = 488567898. Its totient is φ = 75164280.

The previous prime is 225492857. The next prime is 225492937. The reversal of 225492858 is 858294522.

225492858 is a `hidden beast` number, since 22 + 549 + 2 + 85 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 175748049 + 49744809 = 13257^2 + 7053^2 .

It is not an unprimeable number, because it can be changed into a prime (225492857) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6263673 + ... + 6263708.

Almost surely, 2^225492858 is an apocalyptic number.

225492858 is an abundant number, since it is smaller than the sum of its proper divisors (263075040).

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

225492858 is a wasteful number, since it uses less digits than its factorization.

225492858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12527389 (or 12527386 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 225492858 is about 15016.4196132101. The cubic root of 225492858 is about 608.6639737496.

The spelling of 225492858 in words is "two hundred twenty-five million, four hundred ninety-two thousand, eight hundred fifty-eight".