422389211 has 2 divisors, whose sum is σ = 422389212. Its totient is φ = 422389210.

The previous prime is 422389207. The next prime is 422389217. The reversal of 422389211 is 112983224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422389211 - 2² = 422389207 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (422389217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211194605 + 211194606.

It is an arithmetic number, because the mean of its divisors is an integer number (211194606).

Almost surely, 2^422389211 is an apocalyptic number.

422389211 is a deficient number, since it is larger than the sum of its proper divisors (1).

422389211 is an equidigital number, since it uses as much as digits as its factorization.

422389211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 32.

The square root of 422389211 is about 20552.1096484035. The cubic root of 422389211 is about 750.3045939096.

The spelling of 422389211 in words is "four hundred twenty-two million, three hundred eighty-nine thousand, two hundred eleven".