225322122 has 16 divisors (see below), whose sum is σ = 470237760. Its totient is φ = 71841792.

The previous prime is 225322109. The next prime is 225322169. The reversal of 225322122 is 221223522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 816247 + ... + 816522.

It is an arithmetic number, because the mean of its divisors is an integer number (29389860).

Almost surely, 2^225322122 is an apocalyptic number.

225322122 is an abundant number, since it is smaller than the sum of its proper divisors (244915638).

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

225322122 is a wasteful number, since it uses less digits than its factorization.

225322122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632797.

The product of its digits is 960, while the sum is 21.

The square root of 225322122 is about 15010.7335596899. The cubic root of 225322122 is about 608.5103146453.

Adding to 225322122 its reverse (221223522), we get a palindrome (446545644).

The spelling of 225322122 in words is "two hundred twenty-five million, three hundred twenty-two thousand, one hundred twenty-two".