422343231 has 8 divisors (see below), whose sum is σ = 568387584. Its totient is φ = 278930520.

The previous prime is 422343217. The next prime is 422343239. The reversal of 422343231 is 132343224.

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

It is not a de Polignac number, because 422343231 - 2¹⁴ = 422326847 is a prime.

It is a super-2 number, since 2×422343231² = 356747609543038722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422343239) 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, 657535 + ... + 658176.

It is an arithmetic number, because the mean of its divisors is an integer number (71048448).

Almost surely, 2^422343231 is an apocalyptic number.

422343231 is a deficient number, since it is larger than the sum of its proper divisors (146044353).

422343231 is a wasteful number, since it uses less digits than its factorization.

422343231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315821.

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

The square root of 422343231 is about 20550.9909980030. The cubic root of 422343231 is about 750.2773676325.

Adding to 422343231 its reverse (132343224), we get a palindrome (554686455).

The spelling of 422343231 in words is "four hundred twenty-two million, three hundred forty-three thousand, two hundred thirty-one".