22315132529 has 2 divisors, whose sum is σ = 22315132530. Its totient is φ = 22315132528.

The previous prime is 22315132517. The next prime is 22315132549. The reversal of 22315132529 is 92523151322.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20627566129 + 1687566400 = 143623^2 + 41080^2 .

It is a cyclic number.

It is not a de Polignac number, because 22315132529 - 2²⁸ = 22046697073 is a prime.

It is a super-3 number, since 3×22315132529³ (a number of 32 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22315132549) by changing a digit.

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 as a sum of consecutive naturals, namely, 11157566264 + 11157566265.

It is an arithmetic number, because the mean of its divisors is an integer number (11157566265).

Almost surely, 2^22315132529 is an apocalyptic number.

It is an amenable number.

22315132529 is a deficient number, since it is larger than the sum of its proper divisors (1).

22315132529 is an equidigital number, since it uses as much as digits as its factorization.

22315132529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 35.

The spelling of 22315132529 in words is "twenty-two billion, three hundred fifteen million, one hundred thirty-two thousand, five hundred twenty-nine".