22570725012 has 24 divisors (see below), whose sum is σ = 57452754912. Its totient is φ = 6839613600.

The previous prime is 22570725007. The next prime is 22570725103. The reversal of 22570725012 is 21052707522.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85495039 + ... + 85495302.

It is an arithmetic number, because the mean of its divisors is an integer number (2393864788).

Almost surely, 2^22570725012 is an apocalyptic number.

22570725012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22570725012 is an abundant number, since it is smaller than the sum of its proper divisors (34882029900).

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

22570725012 is a wasteful number, since it uses less digits than its factorization.

22570725012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170990359 (or 170990357 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 33.

The spelling of 22570725012 in words is "twenty-two billion, five hundred seventy million, seven hundred twenty-five thousand, twelve".