422505227 has 2 divisors, whose sum is σ = 422505228. Its totient is φ = 422505226.

The previous prime is 422505221. The next prime is 422505269. The reversal of 422505227 is 722505224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422505227 - 2¹⁸ = 422243083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422505227.

It is not a weakly prime, because it can be changed into another prime (422505221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211252613 + 211252614.

It is an arithmetic number, because the mean of its divisors is an integer number (211252614).

Almost surely, 2^422505227 is an apocalyptic number.

422505227 is a deficient number, since it is larger than the sum of its proper divisors (1).

422505227 is an equidigital number, since it uses as much as digits as its factorization.

422505227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 422505227 is about 20554.9319385884. The cubic root of 422505227 is about 750.3732820351.

The spelling of 422505227 in words is "four hundred twenty-two million, five hundred five thousand, two hundred twenty-seven".