22454544242243 has 4 divisors (see below), whose sum is σ = 22454811454680. Its totient is φ = 22454277029808.

The previous prime is 22454544242227. The next prime is 22454544242269. The reversal of 22454544242243 is 34224244545422.

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 22454544242243 - 2⁴ = 22454544242227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22454544242213) 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, 133480130 + ... + 133648247.

It is an arithmetic number, because the mean of its divisors is an integer number (5613702863670).

Almost surely, 2^{22454544242243} is an apocalyptic number.

22454544242243 is a deficient number, since it is larger than the sum of its proper divisors (267212437).

22454544242243 is an equidigital number, since it uses as much as digits as its factorization.

22454544242243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267212436.

The product of its digits is 9830400, while the sum is 47.

Adding to 22454544242243 its reverse (34224244545422), we get a palindrome (56678788787665).

The spelling of 22454544242243 in words is "twenty-two trillion, four hundred fifty-four billion, five hundred forty-four million, two hundred forty-two thousand, two hundred forty-three".