22955221644563 has 32 divisors (see below), whose sum is σ = 26598572163072. Its totient is φ = 19641798000000.

The previous prime is 22955221644493. The next prime is 22955221644581. The reversal of 22955221644563 is 36544612255922.

It is a cyclic number.

It is not a de Polignac number, because 22955221644563 - 2¹² = 22955221640467 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22955221644499 and 22955221644508.

It is not an unprimeable number, because it can be changed into a prime (22955221644763) 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 31 ways as a sum of consecutive naturals, for example, 1356563 + ... + 6910188.

It is an arithmetic number, because the mean of its divisors is an integer number (831205380096).

Almost surely, 2^{22955221644563} is an apocalyptic number.

22955221644563 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22955221644563 is a deficient number, since it is larger than the sum of its proper divisors (3643350518509).

22955221644563 is a wasteful number, since it uses less digits than its factorization.

22955221644563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8267075.

The product of its digits is 31104000, while the sum is 56.

The spelling of 22955221644563 in words is "twenty-two trillion, nine hundred fifty-five billion, two hundred twenty-one million, six hundred forty-four thousand, five hundred sixty-three".