22043601012 has 48 divisors (see below), whose sum is σ = 52658557952. Its totient is φ = 7173260640.

The previous prime is 22043600983. The next prime is 22043601029. The reversal of 22043601012 is 21010634022.

It is a self number, because there is not a number n which added to its sum of digits gives 22043601012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1089573 + ... + 1109619.

Almost surely, 2^22043601012 is an apocalyptic number.

It is an amenable number.

22043601012 is an abundant number, since it is smaller than the sum of its proper divisors (30614956940).

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

22043601012 is a wasteful number, since it uses less digits than its factorization.

22043601012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22228 (or 22226 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The spelling of 22043601012 in words is "twenty-two billion, forty-three million, six hundred one thousand, twelve".