422432331 has 4 divisors (see below), whose sum is σ = 563243112. Its totient is φ = 281621552.

The previous prime is 422432291. The next prime is 422432383. The reversal of 422432331 is 133234224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422432331 - 2⁷ = 422432203 is a prime.

It is a super-2 number, since 2×422432331² = 356898148548187122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422432431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70405386 + ... + 70405391.

It is an arithmetic number, because the mean of its divisors is an integer number (140810778).

Almost surely, 2^422432331 is an apocalyptic number.

422432331 is a deficient number, since it is larger than the sum of its proper divisors (140810781).

422432331 is a wasteful number, since it uses less digits than its factorization.

422432331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140810780.

The product of its digits is 3456, while the sum is 24.

The square root of 422432331 is about 20553.1586623565. The cubic root of 422432331 is about 750.3301248910.

Adding to 422432331 its reverse (133234224), we get a palindrome (555666555).

The spelling of 422432331 in words is "four hundred twenty-two million, four hundred thirty-two thousand, three hundred thirty-one".