22415810125 has 8 divisors (see below), whose sum is σ = 27974931192. Its totient is φ = 17932648000.

The previous prime is 22415810111. The next prime is 22415810141. The reversal of 22415810125 is 52101851422.

It can be written as a sum of positive squares in 4 ways, for example, as 1397189641 + 21018620484 = 37379^2 + 144978^2 .

It is not a de Polignac number, because 22415810125 - 2⁹ = 22415809613 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 89663116 + ... + 89663365.

It is an arithmetic number, because the mean of its divisors is an integer number (3496866399).

Almost surely, 2^22415810125 is an apocalyptic number.

22415810125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22415810125 is a deficient number, since it is larger than the sum of its proper divisors (5559121067).

22415810125 is an equidigital number, since it uses as much as digits as its factorization.

22415810125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179326496 (or 179326486 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

The spelling of 22415810125 in words is "twenty-two billion, four hundred fifteen million, eight hundred ten thousand, one hundred twenty-five".