22143022042144 has 24 divisors (see below), whose sum is σ = 43605885789648. Its totient is φ = 11068511365440.

The previous prime is 22143022042133. The next prime is 22143022042159. The reversal of 22143022042144 is 44124022034122.

It is a super-2 number, since 2×22143022042144² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93619282 + ... + 93855505.

It is an arithmetic number, because the mean of its divisors is an integer number (1816911907902).

Almost surely, 2^{22143022042144} is an apocalyptic number.

It is an amenable number.

22143022042144 is a deficient number, since it is larger than the sum of its proper divisors (21462863747504).

22143022042144 is a wasteful number, since it uses less digits than its factorization.

22143022042144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187478488 (or 187478480 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 22143022042144 its reverse (44124022034122), we get a palindrome (66267044076266).

The spelling of 22143022042144 in words is "twenty-two trillion, one hundred forty-three billion, twenty-two million, forty-two thousand, one hundred forty-four".