22065572120 has 32 divisors (see below), whose sum is σ = 50802135120. Its totient is φ = 8620967040.

The previous prime is 22065572117. The next prime is 22065572129. The reversal of 22065572120 is 2127556022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22065572129) 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, 6412691 + ... + 6416130.

Almost surely, 2^22065572120 is an apocalyptic number.

22065572120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22065572120 is an abundant number, since it is smaller than the sum of its proper divisors (28736563000).

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

22065572120 is a wasteful number, since it uses less digits than its factorization.

22065572120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12828875 (or 12828871 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 22065572120 in words is "twenty-two billion, sixty-five million, five hundred seventy-two thousand, one hundred twenty".