222425904 has 20 divisors (see below), whose sum is σ = 574600376. Its totient is φ = 74141952.

The previous prime is 222425897. The next prime is 222425933. The reversal of 222425904 is 409524222.

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 3 ways as a sum of consecutive naturals, for example, 2316889 + ... + 2316984.

Almost surely, 2^222425904 is an apocalyptic number.

222425904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

222425904 is an abundant number, since it is smaller than the sum of its proper divisors (352174472).

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

222425904 is a wasteful number, since it uses less digits than its factorization.

222425904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4633884 (or 4633878 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 222425904 is about 14913.9499798008. The cubic root of 222425904 is about 605.8918649434.

The spelling of 222425904 in words is "two hundred twenty-two million, four hundred twenty-five thousand, nine hundred four".