22144312044405 has 24 divisors (see below), whose sum is σ = 39107690709048. Its totient is φ = 11587463911296.

The previous prime is 22144312044391. The next prime is 22144312044431. The reversal of 22144312044405 is 50444021344122.

22144312044405 is a `hidden beast` number, since 2 + 2 + 1 + 4 + 4 + 3 + 1 + 204 + 440 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2467431489636 + 19676880554769 = 1570806^2 + 4435863^2 .

It is not a de Polignac number, because 22144312044405 - 2¹¹ = 22144312042357 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22144312044405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4642411042 + ... + 4642415811.

It is an arithmetic number, because the mean of its divisors is an integer number (1629487112877).

Almost surely, 2^{22144312044405} is an apocalyptic number.

It is an amenable number.

22144312044405 is a deficient number, since it is larger than the sum of its proper divisors (16963378664643).

22144312044405 is a wasteful number, since it uses less digits than its factorization.

22144312044405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9284826917 (or 9284826914 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

Adding to 22144312044405 its reverse (50444021344122), we get a palindrome (72588333388527).

The spelling of 22144312044405 in words is "twenty-two trillion, one hundred forty-four billion, three hundred twelve million, forty-four thousand, four hundred five".