22565211024423 has 4 divisors (see below), whose sum is σ = 30086948032568. Its totient is φ = 15043474016280.

The previous prime is 22565211024413. The next prime is 22565211024427. The reversal of 22565211024423 is 32442011256522.

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

It is not a de Polignac number, because 22565211024423 - 2²⁴ = 22565194247207 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 (22565211024427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3760868504068 + ... + 3760868504073.

It is an arithmetic number, because the mean of its divisors is an integer number (7521737008142).

Almost surely, 2^{22565211024423} is an apocalyptic number.

22565211024423 is a deficient number, since it is larger than the sum of its proper divisors (7521737008145).

22565211024423 is an equidigital number, since it uses as much as digits as its factorization.

22565211024423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7521737008144.

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 22565211024423 in words is "twenty-two trillion, five hundred sixty-five billion, two hundred eleven million, twenty-four thousand, four hundred twenty-three".