22906238724 has 48 divisors (see below), whose sum is σ = 59396803200. Its totient is φ = 7634094048.

The previous prime is 22906238669. The next prime is 22906238783. The reversal of 22906238724 is 42783260922.

It is a self number, because there is not a number n which added to its sum of digits gives 22906238724.

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, 763642 + ... + 793070.

It is an arithmetic number, because the mean of its divisors is an integer number (1237433400).

Almost surely, 2^22906238724 is an apocalyptic number.

It is an amenable number.

22906238724 is an abundant number, since it is smaller than the sum of its proper divisors (36490564476).

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

22906238724 is a wasteful number, since it uses less digits than its factorization.

22906238724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36649 (or 36641 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 22906238724 in words is "twenty-two billion, nine hundred six million, two hundred thirty-eight thousand, seven hundred twenty-four".