22444244 has 12 divisors (see below), whose sum is σ = 41344800. Its totient is φ = 10631448.

The previous prime is 22444243. The next prime is 22444259. The reversal of 22444244 is 44244422.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22444241) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 147584 + ... + 147735.

It is an arithmetic number, because the mean of its divisors is an integer number (3445400).

Almost surely, 2^22444244 is an apocalyptic number.

It is an amenable number.

22444244 is a deficient number, since it is larger than the sum of its proper divisors (18900556).

22444244 is a wasteful number, since it uses less digits than its factorization.

22444244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295342 (or 295340 counting only the distinct ones).

The product of its digits is 8192, while the sum is 26.

The square root of 22444244 is about 4737.5356463039. The cubic root of 22444244 is about 282.0774228676.

Adding to 22444244 its reverse (44244422), we get a palindrome (66688666).

The spelling of 22444244 in words is "twenty-two million, four hundred forty-four thousand, two hundred forty-four".