22200222204 has 24 divisors (see below), whose sum is σ = 57556131920. Its totient is φ = 7400074032.

The previous prime is 22200222197. The next prime is 22200222217. The reversal of 22200222204 is 40222200222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102778699 + ... + 102778914.

Almost surely, 2^22200222204 is an apocalyptic number.

It is an amenable number.

22200222204 is an abundant number, since it is smaller than the sum of its proper divisors (35355909716).

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

22200222204 is a wasteful number, since it uses less digits than its factorization.

22200222204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205557626 (or 205557618 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 22200222204 its reverse (40222200222), we get a palindrome (62422422426).

The spelling of 22200222204 in words is "twenty-two billion, two hundred million, two hundred twenty-two thousand, two hundred four".