422344511 has 2 divisors, whose sum is σ = 422344512. Its totient is φ = 422344510.

The previous prime is 422344501. The next prime is 422344513. The reversal of 422344511 is 115443224.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422344511 is a prime.

Together with 422344513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422344513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211172255 + 211172256.

It is an arithmetic number, because the mean of its divisors is an integer number (211172256).

Almost surely, 2^422344511 is an apocalyptic number.

422344511 is a deficient number, since it is larger than the sum of its proper divisors (1).

422344511 is an equidigital number, since it uses as much as digits as its factorization.

422344511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 26.

The square root of 422344511 is about 20551.0221400299. The cubic root of 422344511 is about 750.2781255895.

Adding to 422344511 its reverse (115443224), we get a palindrome (537787735).

The spelling of 422344511 in words is "four hundred twenty-two million, three hundred forty-four thousand, five hundred eleven".