22724972506 has 16 divisors (see below), whose sum is σ = 34336663200. Its totient is φ = 11279509200.

The previous prime is 22724972471. The next prime is 22724972533. The reversal of 22724972506 is 60527942722.

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, 498781 + ... + 542431.

It is an arithmetic number, because the mean of its divisors is an integer number (2146041450).

Almost surely, 2^22724972506 is an apocalyptic number.

22724972506 is a deficient number, since it is larger than the sum of its proper divisors (11611690694).

22724972506 is a wasteful number, since it uses less digits than its factorization.

22724972506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45549.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 22724972506 in words is "twenty-two billion, seven hundred twenty-four million, nine hundred seventy-two thousand, five hundred six".