422030111 has 2 divisors, whose sum is σ = 422030112. Its totient is φ = 422030110.

The previous prime is 422030099. The next prime is 422030153. The reversal of 422030111 is 111030224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422030111 - 2⁶ = 422030047 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422030171) 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, 211015055 + 211015056.

It is an arithmetic number, because the mean of its divisors is an integer number (211015056).

Almost surely, 2^422030111 is an apocalyptic number.

422030111 is a deficient number, since it is larger than the sum of its proper divisors (1).

422030111 is an equidigital number, since it uses as much as digits as its factorization.

422030111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 422030111 is about 20543.3714613741. The cubic root of 422030111 is about 750.0919063668.

Adding to 422030111 its reverse (111030224), we get a palindrome (533060335).

The spelling of 422030111 in words is "four hundred twenty-two million, thirty thousand, one hundred eleven".