12322444 has 12 divisors (see below), whose sum is σ = 21690144. Its totient is φ = 6125264.

The previous prime is 12322423. The next prime is 12322451. The reversal of 12322444 is 44422321.

It is a happy number.

It is a super-2 number, since 2×12322444² = 303685252266272, which contains 22 as substring.

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, 8212 + ... + 9595.

It is an arithmetic number, because the mean of its divisors is an integer number (1807512).

Almost surely, 2^12322444 is an apocalyptic number.

It is an amenable number.

12322444 is a deficient number, since it is larger than the sum of its proper divisors (9367700).

12322444 is a wasteful number, since it uses less digits than its factorization.

12322444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17984 (or 17982 counting only the distinct ones).

The product of its digits is 1536, while the sum is 22.

The square root of 12322444 is about 3510.3338872535. Note that the first 3 decimals coincide. The cubic root of 12322444 is about 230.9753414081.

Adding to 12322444 its reverse (44422321), we get a palindrome (56744765).

The spelling of 12322444 in words is "twelve million, three hundred twenty-two thousand, four hundred forty-four".