22056237156291 has 64 divisors (see below), whose sum is σ = 32029240320000. Its totient is φ = 13419887777280.

The previous prime is 22056237156253. The next prime is 22056237156323. The reversal of 22056237156291 is 19265173265022.

It is not a de Polignac number, because 22056237156291 - 2¹⁸ = 22056236894147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22056237156691) 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 63 ways as a sum of consecutive naturals, for example, 4596004510 + ... + 4596009308.

It is an arithmetic number, because the mean of its divisors is an integer number (500456880000).

Almost surely, 2^{22056237156291} is an apocalyptic number.

22056237156291 is a deficient number, since it is larger than the sum of its proper divisors (9973003163709).

22056237156291 is a wasteful number, since it uses less digits than its factorization.

22056237156291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7004.

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 22056237156291 in words is "twenty-two trillion, fifty-six billion, two hundred thirty-seven million, one hundred fifty-six thousand, two hundred ninety-one".