225312168 has 16 divisors (see below), whose sum is σ = 563280480. Its totient is φ = 75104048.

The previous prime is 225312161. The next prime is 225312173. The reversal of 225312168 is 861213522.

It is not an unprimeable number, because it can be changed into a prime (225312161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4693980 + ... + 4694027.

It is an arithmetic number, because the mean of its divisors is an integer number (35205030).

Almost surely, 2^225312168 is an apocalyptic number.

It is an amenable number.

225312168 is an abundant number, since it is smaller than the sum of its proper divisors (337968312).

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

225312168 is a wasteful number, since it uses less digits than its factorization.

225312168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9388016 (or 9388012 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 225312168 is about 15010.4019932845. The cubic root of 225312168 is about 608.5013538432.

The spelling of 225312168 in words is "two hundred twenty-five million, three hundred twelve thousand, one hundred sixty-eight".