422111233 has 2 divisors, whose sum is σ = 422111234. Its totient is φ = 422111232.

The previous prime is 422111167. The next prime is 422111237. The reversal of 422111233 is 332111224.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 293334129 + 128777104 = 17127^2 + 11348^2 .

It is a cyclic number.

It is not a de Polignac number, because 422111233 - 2²¹ = 420014081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422111233.

It is not a weakly prime, because it can be changed into another prime (422111237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211055616 + 211055617.

It is an arithmetic number, because the mean of its divisors is an integer number (211055617).

Almost surely, 2^422111233 is an apocalyptic number.

It is an amenable number.

422111233 is a deficient number, since it is larger than the sum of its proper divisors (1).

422111233 is an equidigital number, since it uses as much as digits as its factorization.

422111233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 19.

The square root of 422111233 is about 20545.3457746517. The cubic root of 422111233 is about 750.1399638045.

Adding to 422111233 its reverse (332111224), we get a palindrome (754222457).

Subtracting from 422111233 its reverse (332111224), we obtain a palindrome (90000009).

The spelling of 422111233 in words is "four hundred twenty-two million, one hundred eleven thousand, two hundred thirty-three".