22143470317321 has 2 divisors, whose sum is σ = 22143470317322. Its totient is φ = 22143470317320.

The previous prime is 22143470317231. The next prime is 22143470317327. The reversal of 22143470317321 is 12371307434122.

Together with previous prime (22143470317231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16705530817600 + 5437939499721 = 4087240^2 + 2331939^2 .

It is a cyclic number.

It is not a de Polignac number, because 22143470317321 - 2⁹ = 22143470316809 is a prime.

It is not a weakly prime, because it can be changed into another prime (22143470317327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11071735158660 + 11071735158661.

It is an arithmetic number, because the mean of its divisors is an integer number (11071735158661).

Almost surely, 2^{22143470317321} is an apocalyptic number.

It is an amenable number.

22143470317321 is a deficient number, since it is larger than the sum of its proper divisors (1).

22143470317321 is an equidigital number, since it uses as much as digits as its factorization.

22143470317321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 22143470317321 in words is "twenty-two trillion, one hundred forty-three billion, four hundred seventy million, three hundred seventeen thousand, three hundred twenty-one".