22003244 has 6 divisors (see below), whose sum is σ = 38505684. Its totient is φ = 11001620.

The previous prime is 22003243. The next prime is 22003297. The reversal of 22003244 is 44230022.

It is not an unprimeable number, because it can be changed into a prime (22003243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2750402 + ... + 2750409.

It is an arithmetic number, because the mean of its divisors is an integer number (6417614).

Almost surely, 2^22003244 is an apocalyptic number.

It is an amenable number.

22003244 is a deficient number, since it is larger than the sum of its proper divisors (16502440).

22003244 is a wasteful number, since it uses less digits than its factorization.

22003244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5500815 (or 5500813 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 22003244 is about 4690.7615586384. The cubic root of 22003244 is about 280.2177048365.

Adding to 22003244 its reverse (44230022), we get a palindrome (66233266).

The spelling of 22003244 in words is "twenty-two million, three thousand, two hundred forty-four".