422357227 has 2 divisors, whose sum is σ = 422357228. Its totient is φ = 422357226.

The previous prime is 422357219. The next prime is 422357239. The reversal of 422357227 is 722753224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422357227 - 2³ = 422357219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 422357192 and 422357201.

It is not a weakly prime, because it can be changed into another prime (422357297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211178613 + 211178614.

It is an arithmetic number, because the mean of its divisors is an integer number (211178614).

Almost surely, 2^422357227 is an apocalyptic number.

422357227 is a deficient number, since it is larger than the sum of its proper divisors (1).

422357227 is an equidigital number, since it uses as much as digits as its factorization.

422357227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 34.

The square root of 422357227 is about 20551.3315140406. The cubic root of 422357227 is about 750.2856553357.

The spelling of 422357227 in words is "four hundred twenty-two million, three hundred fifty-seven thousand, two hundred twenty-seven".