422321220227 has 2 divisors, whose sum is σ = 422321220228. Its totient is φ = 422321220226.

The previous prime is 422321220199. The next prime is 422321220263. The reversal of 422321220227 is 722022123224.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422321220227 - 2³⁶ = 353601743491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422321220227.

It is not a weakly prime, because it can be changed into another prime (422321220287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211160610113 + 211160610114.

It is an arithmetic number, because the mean of its divisors is an integer number (211160610114).

Almost surely, 2^422321220227 is an apocalyptic number.

422321220227 is a deficient number, since it is larger than the sum of its proper divisors (1).

422321220227 is an equidigital number, since it uses as much as digits as its factorization.

422321220227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 29.

The spelling of 422321220227 in words is "four hundred twenty-two billion, three hundred twenty-one million, two hundred twenty thousand, two hundred twenty-seven".