22507424772 has 48 divisors (see below), whose sum is σ = 60041490432. Its totient is φ = 6428368800.

The previous prime is 22507424717. The next prime is 22507424783. The reversal of 22507424772 is 27742470522.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192493 + ... + 286475.

It is an arithmetic number, because the mean of its divisors is an integer number (1250864384).

Almost surely, 2^22507424772 is an apocalyptic number.

It is an amenable number.

22507424772 is an abundant number, since it is smaller than the sum of its proper divisors (37534065660).

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

22507424772 is a wasteful number, since it uses less digits than its factorization.

22507424772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96848 (or 96846 counting only the distinct ones).

The product of its (nonzero) digits is 439040, while the sum is 42.

The spelling of 22507424772 in words is "twenty-two billion, five hundred seven million, four hundred twenty-four thousand, seven hundred seventy-two".