12331022 has 8 divisors (see below), whose sum is σ = 20178072. Its totient is φ = 5605000.

The previous prime is 12330991. The next prime is 12331049. The reversal of 12331022 is 22013321.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 12330988 and 12331006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280229 + ... + 280272.

It is an arithmetic number, because the mean of its divisors is an integer number (2522259).

Almost surely, 2^12331022 is an apocalyptic number.

12331022 is a deficient number, since it is larger than the sum of its proper divisors (7847050).

12331022 is a wasteful number, since it uses less digits than its factorization.

12331022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560514.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 12331022 is about 3511.5554957882. Note that the first 3 decimals coincide. The cubic root of 12331022 is about 231.0289251211.

Adding to 12331022 its reverse (22013321), we get a palindrome (34344343).

The spelling of 12331022 in words is "twelve million, three hundred thirty-one thousand, twenty-two".