422144227 has 2 divisors, whose sum is σ = 422144228. Its totient is φ = 422144226.

The previous prime is 422144179. The next prime is 422144237. The reversal of 422144227 is 722441224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422144227 - 2¹¹ = 422142179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 422144195 and 422144204.

It is not a weakly prime, because it can be changed into another prime (422144237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211072113 + 211072114.

It is an arithmetic number, because the mean of its divisors is an integer number (211072114).

Almost surely, 2^422144227 is an apocalyptic number.

422144227 is a deficient number, since it is larger than the sum of its proper divisors (1).

422144227 is an equidigital number, since it uses as much as digits as its factorization.

422144227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7168, while the sum is 28.

The square root of 422144227 is about 20546.1487145402. The cubic root of 422144227 is about 750.1595079998.

The spelling of 422144227 in words is "four hundred twenty-two million, one hundred forty-four thousand, two hundred twenty-seven".