22906238725 has 6 divisors (see below), whose sum is σ = 28403736050. Its totient is φ = 18324990960.

The previous prime is 22906238669. The next prime is 22906238783. The reversal of 22906238725 is 52783260922.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 822198276 + 22084040449 = 28674^2 + 148607^2 .

It is not a de Polignac number, because 22906238725 - 2⁹ = 22906238213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 458124750 + ... + 458124799.

Almost surely, 2^22906238725 is an apocalyptic number.

22906238725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22906238725 is a deficient number, since it is larger than the sum of its proper divisors (5497497325).

22906238725 is an equidigital number, since it uses as much as digits as its factorization.

22906238725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916249559 (or 916249554 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 22906238725 in words is "twenty-two billion, nine hundred six million, two hundred thirty-eight thousand, seven hundred twenty-five".