22641262665 has 24 divisors (see below), whose sum is σ = 42140473920. Its totient is φ = 10350291168.

The previous prime is 22641262661. The next prime is 22641262691. The reversal of 22641262665 is 56626214622.

It is not a de Polignac number, because 22641262665 - 2² = 22641262661 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22641262661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15401485 + ... + 15402954.

It is an arithmetic number, because the mean of its divisors is an integer number (1755853080).

Almost surely, 2^22641262665 is an apocalyptic number.

It is an amenable number.

22641262665 is a deficient number, since it is larger than the sum of its proper divisors (19499211255).

22641262665 is a wasteful number, since it uses less digits than its factorization.

22641262665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30804461 (or 30804454 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The spelling of 22641262665 in words is "twenty-two billion, six hundred forty-one million, two hundred sixty-two thousand, six hundred sixty-five".