22124222243 has 4 divisors (see below), whose sum is σ = 22125354408. Its totient is φ = 22123090080.

The previous prime is 22124222233. The next prime is 22124222279. The reversal of 22124222243 is 34222242122.

It is a happy number.

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 22124222243 - 2⁴ = 22124222227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22124222233) 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, 536246 + ... + 576027.

It is an arithmetic number, because the mean of its divisors is an integer number (5531338602).

Almost surely, 2^22124222243 is an apocalyptic number.

22124222243 is a deficient number, since it is larger than the sum of its proper divisors (1132165).

22124222243 is a wasteful number, since it uses less digits than its factorization.

22124222243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132164.

The product of its digits is 6144, while the sum is 26.

Adding to 22124222243 its reverse (34222242122), we get a palindrome (56346464365).

The spelling of 22124222243 in words is "twenty-two billion, one hundred twenty-four million, two hundred twenty-two thousand, two hundred forty-three".