22731252005 has 32 divisors (see below), whose sum is σ = 34021306368. Its totient is φ = 14164718400.

The previous prime is 22731251987. The next prime is 22731252013. The reversal of 22731252005 is 50025213722.

It is not a de Polignac number, because 22731252005 - 2⁶ = 22731251941 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1154090 + ... + 1173620.

It is an arithmetic number, because the mean of its divisors is an integer number (1063165824).

Almost surely, 2^22731252005 is an apocalyptic number.

It is an amenable number.

22731252005 is a deficient number, since it is larger than the sum of its proper divisors (11290054363).

22731252005 is a wasteful number, since it uses less digits than its factorization.

22731252005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22577.

The product of its (nonzero) digits is 8400, while the sum is 29.

Adding to 22731252005 its reverse (50025213722), we get a palindrome (72756465727).

The spelling of 22731252005 in words is "twenty-two billion, seven hundred thirty-one million, two hundred fifty-two thousand, five".