22665199088 has 20 divisors (see below), whose sum is σ = 50187226800. Its totient is φ = 9713656704.

The previous prime is 22665199069. The next prime is 22665199099. The reversal of 22665199088 is 88099156622.

It is a super-2 number, since 2×22665199088² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101183813 + ... + 101184036.

It is an arithmetic number, because the mean of its divisors is an integer number (2509361340).

Almost surely, 2^22665199088 is an apocalyptic number.

22665199088 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22665199088 is an abundant number, since it is smaller than the sum of its proper divisors (27522027712).

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

22665199088 is a wasteful number, since it uses less digits than its factorization.

22665199088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202367864 (or 202367858 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 56.

The spelling of 22665199088 in words is "twenty-two billion, six hundred sixty-five million, one hundred ninety-nine thousand, eighty-eight".