22066040565 has 24 divisors (see below), whose sum is σ = 38358055008. Its totient is φ = 11734631520.

The previous prime is 22066040561. The next prime is 22066040593. The reversal of 22066040565 is 56504066022.

It is not a de Polignac number, because 22066040565 - 2² = 22066040561 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22066040561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 690951 + ... + 722180.

It is an arithmetic number, because the mean of its divisors is an integer number (1598252292).

Almost surely, 2^22066040565 is an apocalyptic number.

It is an amenable number.

22066040565 is a deficient number, since it is larger than the sum of its proper divisors (16292014443).

22066040565 is a wasteful number, since it uses less digits than its factorization.

22066040565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413489 (or 1413486 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 22066040565 in words is "twenty-two billion, sixty-six million, forty thousand, five hundred sixty-five".