22045636908 has 18 divisors (see below), whose sum is σ = 55726471164. Its totient is φ = 7348545624.

The previous prime is 22045636897. The next prime is 22045636909. The reversal of 22045636908 is 80963654022.

22045636908 is a `hidden beast` number, since 2 + 2 + 0 + 4 + 5 + 636 + 9 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (22045636909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 306189366 + ... + 306189437.

Almost surely, 2^22045636908 is an apocalyptic number.

It is an amenable number.

22045636908 is an abundant number, since it is smaller than the sum of its proper divisors (33680834256).

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

22045636908 is a wasteful number, since it uses less digits than its factorization.

22045636908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612378813 (or 612378808 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 22045636908 in words is "twenty-two billion, forty-five million, six hundred thirty-six thousand, nine hundred eight".