22117306716 has 24 divisors (see below), whose sum is σ = 57341165840. Its totient is φ = 7372435536.

The previous prime is 22117306709. The next prime is 22117306727. The reversal of 22117306716 is 61760371122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102394831 + ... + 102395046.

Almost surely, 2^22117306716 is an apocalyptic number.

It is an amenable number.

22117306716 is an abundant number, since it is smaller than the sum of its proper divisors (35223859124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22117306716 is a wasteful number, since it uses less digits than its factorization.

22117306716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204789890 (or 204789882 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

Adding to 22117306716 its reverse (61760371122), we get a palindrome (83877677838).

The spelling of 22117306716 in words is "twenty-two billion, one hundred seventeen million, three hundred six thousand, seven hundred sixteen".