12442244 has 6 divisors (see below), whose sum is σ = 21773934. Its totient is φ = 6221120.

The previous prime is 12442237. The next prime is 12442259. The reversal of 12442244 is 44224421.

It can be written as a sum of positive squares in only one way, i.e., 12180100 + 262144 = 3490^2 + 512^2 .

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555277 + ... + 1555284.

It is an arithmetic number, because the mean of its divisors is an integer number (3628989).

Almost surely, 2^12442244 is an apocalyptic number.

It is an amenable number.

12442244 is a deficient number, since it is larger than the sum of its proper divisors (9331690).

12442244 is a wasteful number, since it uses less digits than its factorization.

12442244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3110565 (or 3110563 counting only the distinct ones).

The product of its digits is 2048, while the sum is 23.

The square root of 12442244 is about 3527.3565172803. The cubic root of 12442244 is about 231.7214502763.

Adding to 12442244 its reverse (44224421), we get a palindrome (56666665).

The spelling of 12442244 in words is "twelve million, four hundred forty-two thousand, two hundred forty-four".