222320604 has 24 divisors (see below), whose sum is σ = 565907328. Its totient is φ = 67369840.

The previous prime is 222320603. The next prime is 222320617. The reversal of 222320604 is 406023222.

222320604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222320603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 841992 + ... + 842255.

It is an arithmetic number, because the mean of its divisors is an integer number (23579472).

Almost surely, 2^222320604 is an apocalyptic number.

It is an amenable number.

222320604 is an abundant number, since it is smaller than the sum of its proper divisors (343586724).

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

222320604 is a wasteful number, since it uses less digits than its factorization.

222320604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684265 (or 1684263 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 222320604 is about 14910.4193099993. The cubic root of 222320604 is about 605.7962368669.

Adding to 222320604 its reverse (406023222), we get a palindrome (628343826).

The spelling of 222320604 in words is "two hundred twenty-two million, three hundred twenty thousand, six hundred four".