222620604 has 12 divisors (see below), whose sum is σ = 519448104. Its totient is φ = 74206864.

The previous prime is 222620603. The next prime is 222620609. The reversal of 222620604 is 406026222.

222620604 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222620603) 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, 9275847 + ... + 9275870.

It is an arithmetic number, because the mean of its divisors is an integer number (43287342).

Almost surely, 2^222620604 is an apocalyptic number.

It is an amenable number.

222620604 is an abundant number, since it is smaller than the sum of its proper divisors (296827500).

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

222620604 is a wasteful number, since it uses less digits than its factorization.

222620604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18551724 (or 18551722 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 222620604 is about 14920.4759977690. The cubic root of 222620604 is about 606.0686020649.

Adding to 222620604 its reverse (406026222), we get a palindrome (628646826).

The spelling of 222620604 in words is "two hundred twenty-two million, six hundred twenty thousand, six hundred four".