222315904 has 32 divisors (see below), whose sum is σ = 444373200. Its totient is φ = 110787072.

The previous prime is 222315901. The next prime is 222315917. The reversal of 222315904 is 409513222.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×222315904² = 98848722342674432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222315901) 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, 37837 + ... + 43315.

Almost surely, 2^222315904 is an apocalyptic number.

It is an amenable number.

222315904 is a deficient number, since it is larger than the sum of its proper divisors (222057296).

222315904 is an equidigital number, since it uses as much as digits as its factorization.

222315904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5810 (or 5798 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 222315904 is about 14910.2617012580. The cubic root of 222315904 is about 605.7919678633.

The spelling of 222315904 in words is "two hundred twenty-two million, three hundred fifteen thousand, nine hundred four".