22179165173 has 4 divisors (see below), whose sum is σ = 24195452928. Its totient is φ = 20162877420.

The previous prime is 22179165163. The next prime is 22179165179. The reversal of 22179165173 is 37156197122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22179165173 - 2¹⁰ = 22179164149 is a prime.

It is a super-2 number, since 2×22179165173² (a number of 21 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 (22179165179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1008143861 + ... + 1008143882.

It is an arithmetic number, because the mean of its divisors is an integer number (6048863232).

Almost surely, 2^22179165173 is an apocalyptic number.

It is an amenable number.

22179165173 is a deficient number, since it is larger than the sum of its proper divisors (2016287755).

22179165173 is a wasteful number, since it uses less digits than its factorization.

22179165173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016287754.

The product of its digits is 158760, while the sum is 44.

The spelling of 22179165173 in words is "twenty-two billion, one hundred seventy-nine million, one hundred sixty-five thousand, one hundred seventy-three".