12422331 has 6 divisors (see below), whose sum is σ = 17943380. Its totient is φ = 8281548.

The previous prime is 12422329. The next prime is 12422339. The reversal of 12422331 is 13322421.

It is not a de Polignac number, because 12422331 - 2¹ = 12422329 is a prime.

It is a super-2 number, since 2×12422331² = 308628614947122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12422339) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 690121 + ... + 690138.

Almost surely, 2^12422331 is an apocalyptic number.

12422331 is a deficient number, since it is larger than the sum of its proper divisors (5521049).

12422331 is a wasteful number, since it uses less digits than its factorization.

12422331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380265 (or 1380262 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 12422331 is about 3524.5327349877. The cubic root of 12422331 is about 231.5977659140.

Adding to 12422331 its reverse (13322421), we get a palindrome (25744752).

The spelling of 12422331 in words is "twelve million, four hundred twenty-two thousand, three hundred thirty-one".