22662504665 has 4 divisors (see below), whose sum is σ = 27195005604. Its totient is φ = 18130003728.

The previous prime is 22662504577. The next prime is 22662504679. The reversal of 22662504665 is 56640526622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6953391769 + 15709112896 = 83387^2 + 125336^2 .

It is a cyclic number.

It is not a de Polignac number, because 22662504665 - 2¹² = 22662500569 is a prime.

It is a super-2 number, since 2×22662504665² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2266250462 + ... + 2266250471.

It is an arithmetic number, because the mean of its divisors is an integer number (6798751401).

Almost surely, 2^22662504665 is an apocalyptic number.

It is an amenable number.

22662504665 is a deficient number, since it is larger than the sum of its proper divisors (4532500939).

22662504665 is an equidigital number, since it uses as much as digits as its factorization.

22662504665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4532500938.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 22662504665 in words is "twenty-two billion, six hundred sixty-two million, five hundred four thousand, six hundred sixty-five".