22806926738 has 6 divisors (see below), whose sum is σ = 34210710471. Its totient is φ = 11403356582.

The previous prime is 22806926731. The next prime is 22806926741. The reversal of 22806926738 is 83762960822.

It can be written as a sum of positive squares in only one way, i.e., 11403463369 + 11403463369 = 106787^2 + 106787^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=106787.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22806926738.

It is not an unprimeable number, because it can be changed into a prime (22806926731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 160181 + ... + 266967.

Almost surely, 2^22806926738 is an apocalyptic number.

22806926738 is a deficient number, since it is larger than the sum of its proper divisors (11403783733).

22806926738 is an frugal number, since it uses more digits than its factorization.

22806926738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213576 (or 106789 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 22806926738 in words is "twenty-two billion, eight hundred six million, nine hundred twenty-six thousand, seven hundred thirty-eight".