22136234065 has 16 divisors (see below), whose sum is σ = 29007135360. Its totient is φ = 16083083520.

The previous prime is 22136234039. The next prime is 22136234083. The reversal of 22136234065 is 56043263122.

It is not a de Polignac number, because 22136234065 - 2⁵ = 22136234033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22136234065.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143949 + ... + 254938.

It is an arithmetic number, because the mean of its divisors is an integer number (1812945960).

Almost surely, 2^22136234065 is an apocalyptic number.

It is an amenable number.

22136234065 is a deficient number, since it is larger than the sum of its proper divisors (6870901295).

22136234065 is a wasteful number, since it uses less digits than its factorization.

22136234065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399912.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 22136234065 its reverse (56043263122), we get a palindrome (78179497187).

The spelling of 22136234065 in words is "twenty-two billion, one hundred thirty-six million, two hundred thirty-four thousand, sixty-five".