22311254440231 has 16 divisors (see below), whose sum is σ = 22981926053664. Its totient is φ = 21644238680064.

The previous prime is 22311254440229. The next prime is 22311254440259. The reversal of 22311254440231 is 13204445211322.

It is a cyclic number.

It is not a de Polignac number, because 22311254440231 - 2¹ = 22311254440229 is a prime.

It is a super-3 number, since 3×22311254440231³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22311254450231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16351455 + ... + 17663311.

It is an arithmetic number, because the mean of its divisors is an integer number (1436370378354).

Almost surely, 2^{22311254440231} is an apocalyptic number.

22311254440231 is a deficient number, since it is larger than the sum of its proper divisors (670671613433).

22311254440231 is a wasteful number, since it uses less digits than its factorization.

22311254440231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313250.

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 22311254440231 its reverse (13204445211322), we get a palindrome (35515699651553).

The spelling of 22311254440231 in words is "twenty-two trillion, three hundred eleven billion, two hundred fifty-four million, four hundred forty thousand, two hundred thirty-one".