422142211 has 2 divisors, whose sum is σ = 422142212. Its totient is φ = 422142210.

The previous prime is 422142197. The next prime is 422142229. The reversal of 422142211 is 112241224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422142211 - 2⁵ = 422142179 is a prime.

It is not a weakly prime, because it can be changed into another prime (422142271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211071105 + 211071106.

It is an arithmetic number, because the mean of its divisors is an integer number (211071106).

Almost surely, 2^422142211 is an apocalyptic number.

422142211 is a deficient number, since it is larger than the sum of its proper divisors (1).

422142211 is an equidigital number, since it uses as much as digits as its factorization.

422142211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 256, while the sum is 19.

The square root of 422142211 is about 20546.0996541923. The cubic root of 422142211 is about 750.1583138392.

Adding to 422142211 its reverse (112241224), we get a palindrome (534383435).

The spelling of 422142211 in words is "four hundred twenty-two million, one hundred forty-two thousand, two hundred eleven".