22865930216643 has 4 divisors (see below), whose sum is σ = 30487906955528. Its totient is φ = 15243953477760.

The previous prime is 22865930216629. The next prime is 22865930216653. The reversal of 22865930216643 is 34661203956822.

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

It is not a de Polignac number, because 22865930216643 - 2⁴ = 22865930216627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22865930216603) 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, 3810988369438 + ... + 3810988369443.

It is an arithmetic number, because the mean of its divisors is an integer number (7621976738882).

Almost surely, 2^{22865930216643} is an apocalyptic number.

22865930216643 is a deficient number, since it is larger than the sum of its proper divisors (7621976738885).

22865930216643 is an equidigital number, since it uses as much as digits as its factorization.

22865930216643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7621976738884.

The product of its (nonzero) digits is 22394880, while the sum is 57.

The spelling of 22865930216643 in words is "twenty-two trillion, eight hundred sixty-five billion, nine hundred thirty million, two hundred sixteen thousand, six hundred forty-three".