22144343031 has 10 divisors (see below), whose sum is σ = 33079821192. Its totient is φ = 14762895300.

The previous prime is 22144343017. The next prime is 22144343051. The reversal of 22144343031 is 13034344122.

22144343031 is a `hidden beast` number, since 221 + 4 + 4 + 3 + 430 + 3 + 1 = 666.

It is not a de Polignac number, because 22144343031 - 2⁶ = 22144342967 is a prime.

It is a super-2 number, since 2×22144343031² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 22144342986 and 22144343004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22144343051) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 136693395 + ... + 136693556.

Almost surely, 2^22144343031 is an apocalyptic number.

22144343031 is a deficient number, since it is larger than the sum of its proper divisors (10935478161).

22144343031 is an equidigital number, since it uses as much as digits as its factorization.

22144343031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273386963 (or 273386954 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 22144343031 its reverse (13034344122), we get a palindrome (35178687153).

The spelling of 22144343031 in words is "twenty-two billion, one hundred forty-four million, three hundred forty-three thousand, thirty-one".