22240123431 has 16 divisors (see below), whose sum is σ = 29992591104. Its totient is φ = 14657543424.

The previous prime is 22240123393. The next prime is 22240123453. The reversal of 22240123431 is 13432104222.

It is a happy number.

It is not a de Polignac number, because 22240123431 - 2⁷ = 22240123303 is a prime.

It is a super-2 number, since 2×22240123431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22230123431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221806 + ... + 306068.

It is an arithmetic number, because the mean of its divisors is an integer number (1874536944).

Almost surely, 2^22240123431 is an apocalyptic number.

22240123431 is a deficient number, since it is larger than the sum of its proper divisors (7752467673).

22240123431 is an equidigital number, since it uses as much as digits as its factorization.

22240123431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85270.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 22240123431 its reverse (13432104222), we get a palindrome (35672227653).

The spelling of 22240123431 in words is "twenty-two billion, two hundred forty million, one hundred twenty-three thousand, four hundred thirty-one".