22205646265243 has 4 divisors (see below), whose sum is σ = 25377881446000. Its totient is φ = 19033411084488.

The previous prime is 22205646265169. The next prime is 22205646265267. The reversal of 22205646265243 is 34256264650222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22205646265243 - 2²⁵ = 22205612710811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22205646265843) 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, 1586117590368 + ... + 1586117590381.

It is an arithmetic number, because the mean of its divisors is an integer number (6344470361500).

Almost surely, 2^{22205646265243} is an apocalyptic number.

22205646265243 is a deficient number, since it is larger than the sum of its proper divisors (3172235180757).

22205646265243 is an equidigital number, since it uses as much as digits as its factorization.

22205646265243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3172235180756.

The product of its (nonzero) digits is 8294400, while the sum is 49.

The spelling of 22205646265243 in words is "twenty-two trillion, two hundred five billion, six hundred forty-six million, two hundred sixty-five thousand, two hundred forty-three".