22636265340261 has 32 divisors (see below), whose sum is σ = 30288041441280. Its totient is φ = 15037776114624.

The previous prime is 22636265340239. The next prime is 22636265340263. The reversal of 22636265340261 is 16204356263622.

It is not a de Polignac number, because 22636265340261 - 2¹³ = 22636265332069 is a prime.

It is a super-2 number, since 2×22636265340261² (a number of 28 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 22636265340261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22636265340263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5216929230 + ... + 5216933568.

It is an arithmetic number, because the mean of its divisors is an integer number (946501295040).

Almost surely, 2^{22636265340261} is an apocalyptic number.

It is an amenable number.

22636265340261 is a deficient number, since it is larger than the sum of its proper divisors (7651776101019).

22636265340261 is a wasteful number, since it uses less digits than its factorization.

22636265340261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9345.

The product of its (nonzero) digits is 3732480, while the sum is 48.

The spelling of 22636265340261 in words is "twenty-two trillion, six hundred thirty-six billion, two hundred sixty-five million, three hundred forty thousand, two hundred sixty-one".