22650876647 has 4 divisors (see below), whose sum is σ = 25886716176. Its totient is φ = 19415037120.

The previous prime is 22650876623. The next prime is 22650876649. The reversal of 22650876647 is 74667805622.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22650876647 - 2¹⁰ = 22650875623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22650876649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1617919754 + ... + 1617919767.

It is an arithmetic number, because the mean of its divisors is an integer number (6471679044).

Almost surely, 2^22650876647 is an apocalyptic number.

22650876647 is a deficient number, since it is larger than the sum of its proper divisors (3235839529).

22650876647 is an equidigital number, since it uses as much as digits as its factorization.

22650876647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3235839528.

The product of its (nonzero) digits is 6773760, while the sum is 53.

The spelling of 22650876647 in words is "twenty-two billion, six hundred fifty million, eight hundred seventy-six thousand, six hundred forty-seven".