422502211 has 2 divisors, whose sum is σ = 422502212. Its totient is φ = 422502210.

The previous prime is 422502209. The next prime is 422502257. The reversal of 422502211 is 112205224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422502211 - 2¹ = 422502209 is a prime.

Together with 422502209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (422508211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211251105 + 211251106.

It is an arithmetic number, because the mean of its divisors is an integer number (211251106).

Almost surely, 2^422502211 is an apocalyptic number.

422502211 is a deficient number, since it is larger than the sum of its proper divisors (1).

422502211 is an equidigital number, since it uses as much as digits as its factorization.

422502211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 422502211 is about 20554.8585740695. The cubic root of 422502211 is about 750.3714965493.

Adding to 422502211 its reverse (112205224), we get a palindrome (534707435).

The spelling of 422502211 in words is "four hundred twenty-two million, five hundred two thousand, two hundred eleven".