22347940565 has 16 divisors (see below), whose sum is σ = 26897380992. Its totient is φ = 17825189184.

The previous prime is 22347940553. The next prime is 22347940577. The reversal of 22347940565 is 56504974322.

It is an interprime number because it is at equal distance from previous prime (22347940553) and next prime (22347940577).

It is a cyclic number.

It is not a de Polignac number, because 22347940565 - 2⁸ = 22347940309 is a prime.

It is a Duffinian number.

It is a congruent 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, 3105902 + ... + 3113088.

It is an arithmetic number, because the mean of its divisors is an integer number (1681086312).

Almost surely, 2^22347940565 is an apocalyptic number.

It is an amenable number.

22347940565 is a deficient number, since it is larger than the sum of its proper divisors (4549440427).

22347940565 is a wasteful number, since it uses less digits than its factorization.

22347940565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8956.

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 22347940565 in words is "twenty-two billion, three hundred forty-seven million, nine hundred forty thousand, five hundred sixty-five".