22044522412321 has 2 divisors, whose sum is σ = 22044522412322. Its totient is φ = 22044522412320.

The previous prime is 22044522412207. The next prime is 22044522412349. The reversal of 22044522412321 is 12321422544022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21973359380625 + 71163031696 = 4687575^2 + 266764^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22044522412321 is a prime.

It is a super-2 number, since 2×22044522412321² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22044522412351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11022261206160 + 11022261206161.

It is an arithmetic number, because the mean of its divisors is an integer number (11022261206161).

Almost surely, 2^{22044522412321} is an apocalyptic number.

It is an amenable number.

22044522412321 is a deficient number, since it is larger than the sum of its proper divisors (1).

22044522412321 is an equidigital number, since it uses as much as digits as its factorization.

22044522412321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61440, while the sum is 34.

Adding to 22044522412321 its reverse (12321422544022), we get a palindrome (34365944956343).

The spelling of 22044522412321 in words is "twenty-two trillion, forty-four billion, five hundred twenty-two million, four hundred twelve thousand, three hundred twenty-one".