22144043545313 has 2 divisors, whose sum is σ = 22144043545314. Its totient is φ = 22144043545312.

The previous prime is 22144043545297. The next prime is 22144043545357. The reversal of 22144043545313 is 31354534044122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17394638393344 + 4749405151969 = 4170688^2 + 2179313^2 .

It is a cyclic number.

It is not a de Polignac number, because 22144043545313 - 2⁴ = 22144043545297 is a prime.

It is not a weakly prime, because it can be changed into another prime (22144043565313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11072021772656 + 11072021772657.

It is an arithmetic number, because the mean of its divisors is an integer number (11072021772657).

Almost surely, 2^{22144043545313} is an apocalyptic number.

It is an amenable number.

22144043545313 is a deficient number, since it is larger than the sum of its proper divisors (1).

22144043545313 is an equidigital number, since it uses as much as digits as its factorization.

22144043545313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 22144043545313 its reverse (31354534044122), we get a palindrome (53498577589435).

The spelling of 22144043545313 in words is "twenty-two trillion, one hundred forty-four billion, forty-three million, five hundred forty-five thousand, three hundred thirteen".