22259136789 has 72 divisors (see below), whose sum is σ = 34359092040. Its totient is φ = 13868015616.

The previous prime is 22259136761. The next prime is 22259136827. The reversal of 22259136789 is 98763195222.

22259136789 is a `hidden beast` number, since 22 + 259 + 1 + 367 + 8 + 9 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 5687723889 + 16571412900 = 75417^2 + 128730^2 .

It is not a de Polignac number, because 22259136789 - 2¹⁶ = 22259071253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22259131789) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 71115297 + ... + 71115609.

Almost surely, 2^22259136789 is an apocalyptic number.

22259136789 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

22259136789 is a deficient number, since it is larger than the sum of its proper divisors (12099955251).

22259136789 is a wasteful number, since it uses less digits than its factorization.

22259136789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 495 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The spelling of 22259136789 in words is "twenty-two billion, two hundred fifty-nine million, one hundred thirty-six thousand, seven hundred eighty-nine".