22641513565 has 16 divisors (see below), whose sum is σ = 29666134080. Its totient is φ = 16451925120.

The previous prime is 22641513541. The next prime is 22641513589. The reversal of 22641513565 is 56531514622.

It is an interprime number because it is at equal distance from previous prime (22641513541) and next prime (22641513589).

It is not a de Polignac number, because 22641513565 - 2⁷ = 22641513437 is a prime.

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, 120219 + ... + 244408.

It is an arithmetic number, because the mean of its divisors is an integer number (1854133380).

Almost surely, 2^22641513565 is an apocalyptic number.

It is an amenable number.

22641513565 is a deficient number, since it is larger than the sum of its proper divisors (7024620515).

22641513565 is a wasteful number, since it uses less digits than its factorization.

22641513565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365772.

The product of its digits is 216000, while the sum is 40.

The spelling of 22641513565 in words is "twenty-two billion, six hundred forty-one million, five hundred thirteen thousand, five hundred sixty-five".