422332431 has 8 divisors (see below), whose sum is σ = 576844464. Its totient is φ = 274687680.

The previous prime is 422332403. The next prime is 422332441. The reversal of 422332431 is 134233224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 422332431 - 2⁹ = 422331919 is a prime.

It is a super-2 number, since 2×422332431² = 356729364548739522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422332441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1716676 + ... + 1716921.

It is an arithmetic number, because the mean of its divisors is an integer number (72105558).

Almost surely, 2^422332431 is an apocalyptic number.

422332431 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

422332431 is a deficient number, since it is larger than the sum of its proper divisors (154512033).

422332431 is a wasteful number, since it uses less digits than its factorization.

422332431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3433641.

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

The square root of 422332431 is about 20550.7282352719. The cubic root of 422332431 is about 750.2709723091.

Adding to 422332431 its reverse (134233224), we get a palindrome (556565655).

The spelling of 422332431 in words is "four hundred twenty-two million, three hundred thirty-two thousand, four hundred thirty-one".