22117437705 has 64 divisors (see below), whose sum is σ = 38900736000. Its totient is φ = 10641792000.

The previous prime is 22117437701. The next prime is 22117437751. The reversal of 22117437705 is 50773471122.

It is not a de Polignac number, because 22117437705 - 2² = 22117437701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22117437701) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14754046 + ... + 14755544.

It is an arithmetic number, because the mean of its divisors is an integer number (607824000).

Almost surely, 2^22117437705 is an apocalyptic number.

It is an amenable number.

22117437705 is a deficient number, since it is larger than the sum of its proper divisors (16783298295).

22117437705 is a wasteful number, since it uses less digits than its factorization.

22117437705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142.

The product of its (nonzero) digits is 82320, while the sum is 39.

The spelling of 22117437705 in words is "twenty-two billion, one hundred seventeen million, four hundred thirty-seven thousand, seven hundred five".