22212162808 has 32 divisors (see below), whose sum is σ = 45723386160. Its totient is φ = 10032122880.

The previous prime is 22212162803. The next prime is 22212162809. The reversal of 22212162808 is 80826121222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212162803) 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, 790041 + ... + 817672.

Almost surely, 2^22212162808 is an apocalyptic number.

It is an amenable number.

22212162808 is an abundant number, since it is smaller than the sum of its proper divisors (23511223352).

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

22212162808 is a wasteful number, since it uses less digits than its factorization.

22212162808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607887 (or 1607883 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The spelling of 22212162808 in words is "twenty-two billion, two hundred twelve million, one hundred sixty-two thousand, eight hundred eight".