22440344143 has 12 divisors (see below), whose sum is σ = 26147542512. Its totient is φ = 19202551200.

The previous prime is 22440344141. The next prime is 22440344177. The reversal of 22440344143 is 34144304422.

It is not a de Polignac number, because 22440344143 - 2¹ = 22440344141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22440344141) 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 11 ways as a sum of consecutive naturals, for example, 351555 + ... + 410452.

It is an arithmetic number, because the mean of its divisors is an integer number (2178961876).

Almost surely, 2^22440344143 is an apocalyptic number.

22440344143 is a deficient number, since it is larger than the sum of its proper divisors (3707198369).

22440344143 is an equidigital number, since it uses as much as digits as its factorization.

22440344143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762622 (or 762615 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 22440344143 its reverse (34144304422), we get a palindrome (56584648565).

The spelling of 22440344143 in words is "twenty-two billion, four hundred forty million, three hundred forty-four thousand, one hundred forty-three".