22885813665 has 96 divisors (see below), whose sum is σ = 47483864064. Its totient is φ = 10049195520.

The previous prime is 22885813619. The next prime is 22885813667. The reversal of 22885813665 is 56631858822.

22885813665 is a `hidden beast` number, since 2 + 28 + 8 + 581 + 36 + 6 + 5 = 666.

It is not a de Polignac number, because 22885813665 - 2¹³ = 22885805473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22885813667) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 307504 + ... + 374606.

It is an arithmetic number, because the mean of its divisors is an integer number (494623584).

Almost surely, 2^22885813665 is an apocalyptic number.

It is an amenable number.

22885813665 is an abundant number, since it is smaller than the sum of its proper divisors (24598050399).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22885813665 is a wasteful number, since it uses less digits than its factorization.

22885813665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67191 (or 67188 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 54.

The spelling of 22885813665 in words is "twenty-two billion, eight hundred eighty-five million, eight hundred thirteen thousand, six hundred sixty-five".