322403212441421 has 2 divisors, whose sum is σ = 322403212441422. Its totient is φ = 322403212441420.

The previous prime is 322403212441337. The next prime is 322403212441451. The reversal of 322403212441421 is 124144212304223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 306700300405321 + 15702912036100 = 17512861^2 + 3962690^2 .

It is a cyclic number.

It is not a de Polignac number, because 322403212441421 - 2²⁶ = 322403145332557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322403212441451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161201606220710 + 161201606220711.

It is an arithmetic number, because the mean of its divisors is an integer number (161201606220711).

Almost surely, 2^{322403212441421} is an apocalyptic number.

It is an amenable number.

322403212441421 is a deficient number, since it is larger than the sum of its proper divisors (1).

322403212441421 is an equidigital number, since it uses as much as digits as its factorization.

322403212441421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 322403212441421 its reverse (124144212304223), we get a palindrome (446547424745644).

The spelling of 322403212441421 in words is "three hundred twenty-two trillion, four hundred three billion, two hundred twelve million, four hundred forty-one thousand, four hundred twenty-one".