422332031 has 4 divisors (see below), whose sum is σ = 460725864. Its totient is φ = 383938200.

The previous prime is 422331983. The next prime is 422332039. The reversal of 422332031 is 130233224.

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 422332031 - 2¹⁸ = 422069887 is a prime.

It is a super-2 number, since 2×422332031² = 356728688817169922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422331994 and 422332012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422332039) 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, 19196900 + ... + 19196921.

It is an arithmetic number, because the mean of its divisors is an integer number (115181466).

Almost surely, 2^422332031 is an apocalyptic number.

422332031 is a deficient number, since it is larger than the sum of its proper divisors (38393833).

422332031 is a wasteful number, since it uses less digits than its factorization.

422332031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38393832.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 422332031 is about 20550.7185032543. The cubic root of 422332031 is about 750.2707354432.

Adding to 422332031 its reverse (130233224), we get a palindrome (552565255).

The spelling of 422332031 in words is "four hundred twenty-two million, three hundred thirty-two thousand, thirty-one".