22013344 has 12 divisors (see below), whose sum is σ = 43338834. Its totient is φ = 11006656.

The previous prime is 22013339. The next prime is 22013357. The reversal of 22013344 is 44331022.

It can be written as a sum of positive squares in only one way, i.e., 11696400 + 10316944 = 3420^2 + 3212^2 .

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, 343927 + ... + 343990.

Almost surely, 2^22013344 is an apocalyptic number.

It is an amenable number.

22013344 is a deficient number, since it is larger than the sum of its proper divisors (21325490).

22013344 is an equidigital number, since it uses as much as digits as its factorization.

22013344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687927 (or 687919 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 22013344 is about 4691.8380193694. The cubic root of 22013344 is about 280.2605737560.

Adding to 22013344 its reverse (44331022), we get a palindrome (66344366).

The spelling of 22013344 in words is "twenty-two million, thirteen thousand, three hundred forty-four".