422224211 has 2 divisors, whose sum is σ = 422224212. Its totient is φ = 422224210.

The previous prime is 422224207. The next prime is 422224241. The reversal of 422224211 is 112422224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422224211 - 2² = 422224207 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (422224241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211112105 + 211112106.

It is an arithmetic number, because the mean of its divisors is an integer number (211112106).

Almost surely, 2^422224211 is an apocalyptic number.

422224211 is a deficient number, since it is larger than the sum of its proper divisors (1).

422224211 is an equidigital number, since it uses as much as digits as its factorization.

422224211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 512, while the sum is 20.

The square root of 422224211 is about 20548.0950698599. The cubic root of 422224211 is about 750.2068827793.

Adding to 422224211 its reverse (112422224), we get a palindrome (534646435).

The spelling of 422224211 in words is "four hundred twenty-two million, two hundred twenty-four thousand, two hundred eleven".