22164173121 has 8 divisors (see below), whose sum is σ = 29702242944. Its totient is φ = 14701109360.

The previous prime is 22164173107. The next prime is 22164173177. The reversal of 22164173121 is 12137146122.

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

It is a cyclic number.

It is not a de Polignac number, because 22164173121 - 2²⁵ = 22130618689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22164173221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18750825 + ... + 18752006.

It is an arithmetic number, because the mean of its divisors is an integer number (3712780368).

Almost surely, 2^22164173121 is an apocalyptic number.

It is an amenable number.

22164173121 is a deficient number, since it is larger than the sum of its proper divisors (7538069823).

22164173121 is a wasteful number, since it uses less digits than its factorization.

22164173121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37503031.

The product of its digits is 4032, while the sum is 30.

The spelling of 22164173121 in words is "twenty-two billion, one hundred sixty-four million, one hundred seventy-three thousand, one hundred twenty-one".