422343611 has 2 divisors, whose sum is σ = 422343612. Its totient is φ = 422343610.

The previous prime is 422343599. The next prime is 422343613. The reversal of 422343611 is 116343224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422343611 - 2¹⁸ = 422081467 is a prime.

Together with 422343613, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (422343613) 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, 211171805 + 211171806.

It is an arithmetic number, because the mean of its divisors is an integer number (211171806).

Almost surely, 2^422343611 is an apocalyptic number.

422343611 is a deficient number, since it is larger than the sum of its proper divisors (1).

422343611 is an equidigital number, since it uses as much as digits as its factorization.

422343611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 26.

The square root of 422343611 is about 20551.0002432972. Note that the first 3 decimals coincide. The cubic root of 422343611 is about 750.2775926512.

Adding to 422343611 its reverse (116343224), we get a palindrome (538686835).

The spelling of 422343611 in words is "four hundred twenty-two million, three hundred forty-three thousand, six hundred eleven".