22055566454243 has 6 divisors (see below), whose sum is σ = 25656475263156. Its totient is φ = 18904771246452.

The previous prime is 22055566454167. The next prime is 22055566454329. The reversal of 22055566454243 is 34245466555022.

It is not a de Polignac number, because 22055566454243 - 2³² = 22051271486947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22055566354243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 225056800505 + ... + 225056800602.

It is an arithmetic number, because the mean of its divisors is an integer number (4276079210526).

Almost surely, 2^{22055566454243} is an apocalyptic number.

22055566454243 is a deficient number, since it is larger than the sum of its proper divisors (3600908808913).

22055566454243 is an equidigital number, since it uses as much as digits as its factorization.

22055566454243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450113601121 (or 450113601114 counting only the distinct ones).

The product of its (nonzero) digits is 34560000, while the sum is 53.

The spelling of 22055566454243 in words is "twenty-two trillion, fifty-five billion, five hundred sixty-six million, four hundred fifty-four thousand, two hundred forty-three".