22540432125 has 32 divisors (see below), whose sum is σ = 38035595520. Its totient is φ = 11852232000.

The previous prime is 22540432087. The next prime is 22540432177. The reversal of 22540432125 is 52123404522.

It is not a de Polignac number, because 22540432125 - 2⁷ = 22540431997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22540432092 and 22540432101.

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, 396670 + ... + 449919.

It is an arithmetic number, because the mean of its divisors is an integer number (1188612360).

Almost surely, 2^22540432125 is an apocalyptic number.

22540432125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22540432125 is a deficient number, since it is larger than the sum of its proper divisors (15495163395).

22540432125 is an equidigital number, since it uses as much as digits as its factorization.

22540432125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846678 (or 846668 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 22540432125 its reverse (52123404522), we get a palindrome (74663836647).

The spelling of 22540432125 in words is "twenty-two billion, five hundred forty million, four hundred thirty-two thousand, one hundred twenty-five".