22640076065 has 16 divisors (see below), whose sum is σ = 27222421248. Its totient is φ = 18075884736.

The previous prime is 22640076029. The next prime is 22640076089. The reversal of 22640076065 is 56067004622.

It is a cyclic number.

It is not a de Polignac number, because 22640076065 - 2⁶ = 22640076001 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7797404 + ... + 7800306.

It is an arithmetic number, because the mean of its divisors is an integer number (1701401328).

Almost surely, 2^22640076065 is an apocalyptic number.

It is an amenable number.

22640076065 is a deficient number, since it is larger than the sum of its proper divisors (4582345183).

22640076065 is a wasteful number, since it uses less digits than its factorization.

22640076065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5488.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 22640076065 in words is "twenty-two billion, six hundred forty million, seventy-six thousand, sixty-five".