22854761165 has 4 divisors (see below), whose sum is σ = 27425713404. Its totient is φ = 18283808928.

The previous prime is 22854761161. The next prime is 22854761201. The reversal of 22854761165 is 56116745822.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12226388329 + 10628372836 = 110573^2 + 103094^2 .

It is a cyclic number.

It is not a de Polignac number, because 22854761165 - 2² = 22854761161 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22854761161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2285476112 + ... + 2285476121.

It is an arithmetic number, because the mean of its divisors is an integer number (6856428351).

Almost surely, 2^22854761165 is an apocalyptic number.

It is an amenable number.

22854761165 is a deficient number, since it is larger than the sum of its proper divisors (4570952239).

22854761165 is an equidigital number, since it uses as much as digits as its factorization.

22854761165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4570952238.

The product of its digits is 806400, while the sum is 47.

The spelling of 22854761165 in words is "twenty-two billion, eight hundred fifty-four million, seven hundred sixty-one thousand, one hundred sixty-five".