22444534231 has 6 divisors (see below), whose sum is σ = 26108948040. Its totient is φ = 19238172156.

The previous prime is 22444534213. The next prime is 22444534237. The reversal of 22444534231 is 13243544422.

It is not a de Polignac number, because 22444534231 - 2⁹ = 22444533719 is a prime.

It is a super-2 number, since 2×22444534231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22444534237) 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, 229025811 + ... + 229025908.

It is an arithmetic number, because the mean of its divisors is an integer number (4351491340).

Almost surely, 2^22444534231 is an apocalyptic number.

22444534231 is a deficient number, since it is larger than the sum of its proper divisors (3664413809).

22444534231 is an equidigital number, since it uses as much as digits as its factorization.

22444534231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458051733 (or 458051726 counting only the distinct ones).

The product of its digits is 92160, while the sum is 34.

The spelling of 22444534231 in words is "twenty-two billion, four hundred forty-four million, five hundred thirty-four thousand, two hundred thirty-one".