422300321221 has 2 divisors, whose sum is σ = 422300321222. Its totient is φ = 422300321220.

The previous prime is 422300321207. The next prime is 422300321227. The reversal of 422300321221 is 122123003224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 317178470596 + 105121850625 = 563186^2 + 324225^2 .

It is a cyclic number.

It is not a de Polignac number, because 422300321221 - 2¹¹ = 422300319173 is a prime.

It is a super-2 number, since 2×422300321221² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422300321192 and 422300321201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422300321227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211150160610 + 211150160611.

It is an arithmetic number, because the mean of its divisors is an integer number (211150160611).

Almost surely, 2^422300321221 is an apocalyptic number.

It is an amenable number.

422300321221 is a deficient number, since it is larger than the sum of its proper divisors (1).

422300321221 is an equidigital number, since it uses as much as digits as its factorization.

422300321221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 422300321221 its reverse (122123003224), we get a palindrome (544423324445).

The spelling of 422300321221 in words is "four hundred twenty-two billion, three hundred million, three hundred twenty-one thousand, two hundred twenty-one".