22996139805 has 24 divisors (see below), whose sum is σ = 39900601728. Its totient is φ = 12252107616.

The previous prime is 22996139801. The next prime is 22996139861. The reversal of 22996139805 is 50893169922.

It is a happy number.

It is not a de Polignac number, because 22996139805 - 2² = 22996139801 is a prime.

It is a super-2 number, since 2×22996139805² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22996139801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 215697 + ... + 304166.

It is an arithmetic number, because the mean of its divisors is an integer number (1662525072).

Almost surely, 2^22996139805 is an apocalyptic number.

It is an amenable number.

22996139805 is a deficient number, since it is larger than the sum of its proper divisors (16904461923).

22996139805 is a wasteful number, since it uses less digits than its factorization.

22996139805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520857 (or 520854 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The spelling of 22996139805 in words is "twenty-two billion, nine hundred ninety-six million, one hundred thirty-nine thousand, eight hundred five".