22155305560631 has 8 divisors (see below), whose sum is σ = 22460474809344. Its totient is φ = 21850181498880.

The previous prime is 22155305560537. The next prime is 22155305560691. The reversal of 22155305560631 is 13606550355122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22155305560631 is a prime.

It is a super-2 number, since 2×22155305560631² (a number of 27 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 (22155305560691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10308791 + ... + 12271176.

It is an arithmetic number, because the mean of its divisors is an integer number (2807559351168).

Almost surely, 2^{22155305560631} is an apocalyptic number.

22155305560631 is a deficient number, since it is larger than the sum of its proper divisors (305169248713).

22155305560631 is a wasteful number, since it uses less digits than its factorization.

22155305560631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22593481.

The product of its (nonzero) digits is 810000, while the sum is 44.

The spelling of 22155305560631 in words is "twenty-two trillion, one hundred fifty-five billion, three hundred five million, five hundred sixty thousand, six hundred thirty-one".