222012604 has 12 divisors (see below), whose sum is σ = 423842328. Its totient is φ = 100914800.

The previous prime is 222012599. The next prime is 222012619. The reversal of 222012604 is 406210222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2522827 + ... + 2522914.

It is an arithmetic number, because the mean of its divisors is an integer number (35320194).

Almost surely, 2^222012604 is an apocalyptic number.

It is an amenable number.

222012604 is a deficient number, since it is larger than the sum of its proper divisors (201829724).

222012604 is a wasteful number, since it uses less digits than its factorization.

222012604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5045756 (or 5045754 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 222012604 is about 14900.0873822941. The cubic root of 222012604 is about 605.5163535689.

Adding to 222012604 its reverse (406210222), we get a palindrome (628222826).

The spelling of 222012604 in words is "two hundred twenty-two million, twelve thousand, six hundred four".