22556142452631 has 4 divisors (see below), whose sum is σ = 30074856603512. Its totient is φ = 15037428301752.

The previous prime is 22556142452593. The next prime is 22556142452639. The reversal of 22556142452631 is 13625424165522.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22556142452631 - 2³⁴ = 22538962583447 is a prime.

It is a super-2 number, since 2×22556142452631² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22556142452639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3759357075436 + ... + 3759357075441.

It is an arithmetic number, because the mean of its divisors is an integer number (7518714150878).

Almost surely, 2^{22556142452631} is an apocalyptic number.

22556142452631 is a deficient number, since it is larger than the sum of its proper divisors (7518714150881).

22556142452631 is an equidigital number, since it uses as much as digits as its factorization.

22556142452631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7518714150880.

The product of its digits is 3456000, while the sum is 48.

The spelling of 22556142452631 in words is "twenty-two trillion, five hundred fifty-six billion, one hundred forty-two million, four hundred fifty-two thousand, six hundred thirty-one".