22597991126 has 16 divisors (see below), whose sum is σ = 35961999360. Its totient is φ = 10620023400.

The previous prime is 22597991113. The next prime is 22597991137. The reversal of 22597991126 is 62119979522.

It is a happy number.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2336450 + ... + 2346101.

It is an arithmetic number, because the mean of its divisors is an integer number (2247624960).

Almost surely, 2^22597991126 is an apocalyptic number.

22597991126 is a deficient number, since it is larger than the sum of its proper divisors (13364008234).

22597991126 is a wasteful number, since it uses less digits than its factorization.

22597991126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4682699.

The product of its digits is 1224720, while the sum is 53.

The spelling of 22597991126 in words is "twenty-two billion, five hundred ninety-seven million, nine hundred ninety-one thousand, one hundred twenty-six".