22992634538 has 16 divisors (see below), whose sum is σ = 36520907400. Its totient is φ = 10819117056.

The previous prime is 22992634537. The next prime is 22992634541. The reversal of 22992634538 is 83543629922.

It can be written as a sum of positive squares in 4 ways, for example, as 17120937409 + 5871697129 = 130847^2 + 76627^2 .

It is a super-2 number, since 2×22992634538² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22992634538.

It is not an unprimeable number, because it can be changed into a prime (22992634537) 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 7 ways as a sum of consecutive naturals, for example, 504938 + ... + 548586.

Almost surely, 2^22992634538 is an apocalyptic number.

22992634538 is a deficient number, since it is larger than the sum of its proper divisors (13528272862).

22992634538 is a wasteful number, since it uses less digits than its factorization.

22992634538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59161.

The product of its digits is 5598720, while the sum is 53.

The spelling of 22992634538 in words is "twenty-two billion, nine hundred ninety-two million, six hundred thirty-four thousand, five hundred thirty-eight".