22134444231 has 16 divisors (see below), whose sum is σ = 31788352640. Its totient is φ = 13654539360.

The previous prime is 22134444223. The next prime is 22134444253. The reversal of 22134444231 is 13244443122.

It is not a de Polignac number, because 22134444231 - 2³ = 22134444223 is a prime.

It is a super-2 number, since 2×22134444231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22134444221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4512940 + ... + 4517841.

It is an arithmetic number, because the mean of its divisors is an integer number (1986772040).

Almost surely, 2^22134444231 is an apocalyptic number.

22134444231 is a deficient number, since it is larger than the sum of its proper divisors (9653908409).

22134444231 is a wasteful number, since it uses less digits than its factorization.

22134444231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9030846.

The product of its digits is 18432, while the sum is 30.

Adding to 22134444231 its reverse (13244443122), we get a palindrome (35378887353).

It can be divided in two parts, 2213 and 4444231, that added together give a palindrome (4446444).

The spelling of 22134444231 in words is "twenty-two billion, one hundred thirty-four million, four hundred forty-four thousand, two hundred thirty-one".