22144631171 has 16 divisors (see below), whose sum is σ = 26065444608. Its totient is φ = 18618163200.

The previous prime is 22144631167. The next prime is 22144631177. The reversal of 22144631171 is 17113644122.

It is not a de Polignac number, because 22144631171 - 2² = 22144631167 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22144631177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1609310 + ... + 1623011.

It is an arithmetic number, because the mean of its divisors is an integer number (1629090288).

Almost surely, 2^22144631171 is an apocalyptic number.

22144631171 is a deficient number, since it is larger than the sum of its proper divisors (3920813437).

22144631171 is a wasteful number, since it uses less digits than its factorization.

22144631171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3232382.

The product of its digits is 8064, while the sum is 32.

The spelling of 22144631171 in words is "twenty-two billion, one hundred forty-four million, six hundred thirty-one thousand, one hundred seventy-one".