22507922136 has 32 divisors (see below), whose sum is σ = 64308349440. Its totient is φ = 6430834848.

The previous prime is 22507922131. The next prime is 22507922149. The reversal of 22507922136 is 63122970522.

It is a junction number, because it is equal to n+sod(n) for n = 22507922094 and 22507922103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22507922131) 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, 66987696 + ... + 66988031.

It is an arithmetic number, because the mean of its divisors is an integer number (2009635920).

Almost surely, 2^22507922136 is an apocalyptic number.

It is an amenable number.

22507922136 is an abundant number, since it is smaller than the sum of its proper divisors (41800427304).

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

22507922136 is a wasteful number, since it uses less digits than its factorization.

22507922136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133975743 (or 133975739 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 22507922136 in words is "twenty-two billion, five hundred seven million, nine hundred twenty-two thousand, one hundred thirty-six".