22144044344 has 32 divisors (see below), whose sum is σ = 42962065200. Its totient is φ = 10687676160.

The previous prime is 22144044319. The next prime is 22144044347. The reversal of 22144044344 is 44344044122.

It is a self number, because there is not a number n which added to its sum of digits gives 22144044344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22144044347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1274564 + ... + 1291820.

Almost surely, 2^22144044344 is an apocalyptic number.

It is an amenable number.

22144044344 is a deficient number, since it is larger than the sum of its proper divisors (20818020856).

22144044344 is a wasteful number, since it uses less digits than its factorization.

22144044344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22823 (or 22819 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 22144044344 its reverse (44344044122), we get a palindrome (66488088466).

The spelling of 22144044344 in words is "twenty-two billion, one hundred forty-four million, forty-four thousand, three hundred forty-four".