22134442223 has 4 divisors (see below), whose sum is σ = 22135161768. Its totient is φ = 22133722680.

The previous prime is 22134442207. The next prime is 22134442229. The reversal of 22134442223 is 32224443122.

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 22134442223 - 2⁴ = 22134442207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22134442229) 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, 311468 + ... + 375873.

It is an arithmetic number, because the mean of its divisors is an integer number (5533790442).

Almost surely, 2^22134442223 is an apocalyptic number.

22134442223 is a deficient number, since it is larger than the sum of its proper divisors (719545).

22134442223 is an equidigital number, since it uses as much as digits as its factorization.

22134442223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719544.

The product of its digits is 18432, while the sum is 29.

Adding to 22134442223 its reverse (32224443122), we get a palindrome (54358885345).

The spelling of 22134442223 in words is "twenty-two billion, one hundred thirty-four million, four hundred forty-two thousand, two hundred twenty-three".