422321301421 has 2 divisors, whose sum is σ = 422321301422. Its totient is φ = 422321301420.

The previous prime is 422321301383. The next prime is 422321301431. The reversal of 422321301421 is 124103123224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 413081285796 + 9240015625 = 642714^2 + 96125^2 .

It is a cyclic number.

It is not a de Polignac number, because 422321301421 - 2³⁷ = 284882347949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422321301431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211160650710 + 211160650711.

It is an arithmetic number, because the mean of its divisors is an integer number (211160650711).

Almost surely, 2^422321301421 is an apocalyptic number.

It is an amenable number.

422321301421 is a deficient number, since it is larger than the sum of its proper divisors (1).

422321301421 is an equidigital number, since it uses as much as digits as its factorization.

422321301421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 422321301421 its reverse (124103123224), we get a palindrome (546424424645).

The spelling of 422321301421 in words is "four hundred twenty-two billion, three hundred twenty-one million, three hundred one thousand, four hundred twenty-one".