22056544155 has 32 divisors (see below), whose sum is σ = 38151878400. Its totient is φ = 10843155072.

The previous prime is 22056544087. The next prime is 22056544217. The reversal of 22056544155 is 55144565022.

It is not a de Polignac number, because 22056544155 - 2²⁴ = 22039766939 is a prime.

It is a super-2 number, since 2×22056544155² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 1035285 + ... + 1056374.

It is an arithmetic number, because the mean of its divisors is an integer number (1192246200).

Almost surely, 2^22056544155 is an apocalyptic number.

22056544155 is a deficient number, since it is larger than the sum of its proper divisors (16095334245).

22056544155 is a wasteful number, since it uses less digits than its factorization.

22056544155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091723.

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 22056544155 in words is "twenty-two billion, fifty-six million, five hundred forty-four thousand, one hundred fifty-five".