22664022222 has 16 divisors (see below), whose sum is σ = 45435717072. Its totient is φ = 7536728640.

The previous prime is 22664022197. The next prime is 22664022229. The reversal of 22664022222 is 22222046622.

It is a self number, because there is not a number n which added to its sum of digits gives 22664022222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22664022229) 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, 4483623 + ... + 4488674.

It is an arithmetic number, because the mean of its divisors is an integer number (2839732317).

Almost surely, 2^22664022222 is an apocalyptic number.

22664022222 is an abundant number, since it is smaller than the sum of its proper divisors (22771694850).

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

22664022222 is a wasteful number, since it uses less digits than its factorization.

22664022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8972723.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 22664022222 its reverse (22222046622), we get a palindrome (44886068844).

The spelling of 22664022222 in words is "twenty-two billion, six hundred sixty-four million, twenty-two thousand, two hundred twenty-two".