22166224717 has 72 divisors (see below), whose sum is σ = 29213475840. Its totient is φ = 16742194560.

The previous prime is 22166224693. The next prime is 22166224721. The reversal of 22166224717 is 71742266122.

It is not a de Polignac number, because 22166224717 - 2²³ = 22157836109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22166224717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22166224117) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 20279623 + ... + 20280715.

It is an arithmetic number, because the mean of its divisors is an integer number (405742720).

Almost surely, 2^22166224717 is an apocalyptic number.

It is an amenable number.

22166224717 is a deficient number, since it is larger than the sum of its proper divisors (7047251123).

22166224717 is a wasteful number, since it uses less digits than its factorization.

22166224717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243 (or 1223 counting only the distinct ones).

The product of its digits is 112896, while the sum is 40.

The spelling of 22166224717 in words is "twenty-two billion, one hundred sixty-six million, two hundred twenty-four thousand, seven hundred seventeen".