11221304 has 16 divisors (see below), whose sum is σ = 21238200. Its totient is φ = 5557792.

The previous prime is 11221303. The next prime is 11221307. The reversal of 11221304 is 40312211.

11221304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5699 + ... + 7410.

Almost surely, 2^11221304 is an apocalyptic number.

It is an amenable number.

11221304 is a deficient number, since it is larger than the sum of its proper divisors (10016896).

11221304 is a wasteful number, since it uses less digits than its factorization.

11221304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13222 (or 13218 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 11221304 is about 3349.8214877811. The cubic root of 11221304 is about 223.8795589770.

Adding to 11221304 its reverse (40312211), we get a palindrome (51533515).

The spelling of 11221304 in words is "eleven million, two hundred twenty-one thousand, three hundred four".