22144043312 has 20 divisors (see below), whose sum is σ = 43631273640. Its totient is φ = 10884359808.

The previous prime is 22144043269. The next prime is 22144043347. The reversal of 22144043312 is 21334044122.

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, 11727893 + ... + 11729780.

It is an arithmetic number, because the mean of its divisors is an integer number (2181563682).

Almost surely, 2^22144043312 is an apocalyptic number.

It is an amenable number.

22144043312 is a deficient number, since it is larger than the sum of its proper divisors (21487230328).

22144043312 is a wasteful number, since it uses less digits than its factorization.

22144043312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23457740 (or 23457734 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 22144043312 its reverse (21334044122), we get a palindrome (43478087434).

The spelling of 22144043312 in words is "twenty-two billion, one hundred forty-four million, forty-three thousand, three hundred twelve".