22144045311244 has 6 divisors (see below), whose sum is σ = 38752079294684. Its totient is φ = 11072022655620.

The previous prime is 22144045311239. The next prime is 22144045311253. The reversal of 22144045311244 is 44211354044122.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2768005663902 + ... + 2768005663909.

Almost surely, 2^{22144045311244} is an apocalyptic number.

It is an amenable number.

22144045311244 is a deficient number, since it is larger than the sum of its proper divisors (16608033983440).

22144045311244 is a wasteful number, since it uses less digits than its factorization.

22144045311244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5536011327815 (or 5536011327813 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 37.

Adding to 22144045311244 its reverse (44211354044122), we get a palindrome (66355399355366).

The spelling of 22144045311244 in words is "twenty-two trillion, one hundred forty-four billion, forty-five million, three hundred eleven thousand, two hundred forty-four".