22144312044255 has 64 divisors (see below), whose sum is σ = 36664974028800. Its totient is φ = 11404115089920.

The previous prime is 22144312044241. The next prime is 22144312044287. The reversal of 22144312044255 is 55244021344122.

It is not a de Polignac number, because 22144312044255 - 2²¹ = 22144309947103 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39246426 + ... + 39806664.

It is an arithmetic number, because the mean of its divisors is an integer number (572890219200).

Almost surely, 2^{22144312044255} is an apocalyptic number.

22144312044255 is a deficient number, since it is larger than the sum of its proper divisors (14520661984545).

22144312044255 is a wasteful number, since it uses less digits than its factorization.

22144312044255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560824.

The product of its (nonzero) digits is 307200, while the sum is 39.

Adding to 22144312044255 its reverse (55244021344122), we get a palindrome (77388333388377).

The spelling of 22144312044255 in words is "twenty-two trillion, one hundred forty-four billion, three hundred twelve million, forty-four thousand, two hundred fifty-five".