422332231 has 2 divisors, whose sum is σ = 422332232. Its totient is φ = 422332230.

The previous prime is 422332201. The next prime is 422332259. The reversal of 422332231 is 132233224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422332231 - 2⁵ = 422332199 is a prime.

It is a super-2 number, since 2×422332231² = 356729026682874722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422332201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211166115 + 211166116.

It is an arithmetic number, because the mean of its divisors is an integer number (211166116).

Almost surely, 2^422332231 is an apocalyptic number.

422332231 is a deficient number, since it is larger than the sum of its proper divisors (1).

422332231 is an equidigital number, since it uses as much as digits as its factorization.

422332231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 22.

The square root of 422332231 is about 20550.7233692637. The cubic root of 422332231 is about 750.2708538762.

Adding to 422332231 its reverse (132233224), we get a palindrome (554565455).

It can be divided in two parts, 42233223 and 1, that added together give a palindrome (42233224).

The spelling of 422332231 in words is "four hundred twenty-two million, three hundred thirty-two thousand, two hundred thirty-one".