22736240065 has 16 divisors (see below), whose sum is σ = 34015777920. Its totient is φ = 14173240320.

The previous prime is 22736240041. The next prime is 22736240101. The reversal of 22736240065 is 56004263722.

It is not a de Polignac number, because 22736240065 - 2¹⁵ = 22736207297 is a prime.

It is a super-2 number, since 2×22736240065² (a number of 22 digits) contains 22 as substring.

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, 29527200 + ... + 29527969.

It is an arithmetic number, because the mean of its divisors is an integer number (2125986120).

Almost surely, 2^22736240065 is an apocalyptic number.

It is an amenable number.

22736240065 is a deficient number, since it is larger than the sum of its proper divisors (11279537855).

22736240065 is a wasteful number, since it uses less digits than its factorization.

22736240065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59055192.

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 22736240065 in words is "twenty-two billion, seven hundred thirty-six million, two hundred forty thousand, sixty-five".