422331571 has 2 divisors, whose sum is σ = 422331572. Its totient is φ = 422331570.

The previous prime is 422331557. The next prime is 422331577. The reversal of 422331571 is 175133224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422331571 - 2¹³ = 422323379 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (422331577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211165785 + 211165786.

It is an arithmetic number, because the mean of its divisors is an integer number (211165786).

Almost surely, 2^422331571 is an apocalyptic number.

422331571 is a deficient number, since it is larger than the sum of its proper divisors (1).

422331571 is an equidigital number, since it uses as much as digits as its factorization.

422331571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 28.

The square root of 422331571 is about 20550.7073114285. The cubic root of 422331571 is about 750.2704630472.

Adding to 422331571 its reverse (175133224), we get a palindrome (597464795).

The spelling of 422331571 in words is "four hundred twenty-two million, three hundred thirty-one thousand, five hundred seventy-one".