22555646330631 has 4 divisors (see below), whose sum is σ = 30074195107512. Its totient is φ = 15037097553752.

The previous prime is 22555646330611. The next prime is 22555646330669. The reversal of 22555646330631 is 13603364655522.

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

It is a cyclic number.

It is not a de Polignac number, because 22555646330631 - 2⁵ = 22555646330599 is a prime.

It is a super-2 number, since 2×22555646330631² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22555646330611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3759274388436 + ... + 3759274388441.

It is an arithmetic number, because the mean of its divisors is an integer number (7518548776878).

Almost surely, 2^{22555646330631} is an apocalyptic number.

22555646330631 is a deficient number, since it is larger than the sum of its proper divisors (7518548776881).

22555646330631 is an equidigital number, since it uses as much as digits as its factorization.

22555646330631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7518548776880.

The product of its (nonzero) digits is 11664000, while the sum is 51.

The spelling of 22555646330631 in words is "twenty-two trillion, five hundred fifty-five billion, six hundred forty-six million, three hundred thirty thousand, six hundred thirty-one".