11221204 has 12 divisors (see below), whose sum is σ = 19660564. Its totient is φ = 5603904.

The previous prime is 11221193. The next prime is 11221211. The reversal of 11221204 is 40212211.

It is a happy number.

11221204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3920400 + 7300804 = 1980^2 + 2702^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5782 + ... + 7474.

Almost surely, 2^11221204 is an apocalyptic number.

It is an amenable number.

11221204 is a deficient number, since it is larger than the sum of its proper divisors (8439360).

11221204 is a wasteful number, since it uses less digits than its factorization.

11221204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3354 (or 3352 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 11221204 is about 3349.8065615793. The cubic root of 11221204 is about 223.8788939318.

Adding to 11221204 its reverse (40212211), we get a palindrome (51433415).

It can be divided in two parts, 112 and 21204, that added together give a square (21316 = 146²).

The spelling of 11221204 in words is "eleven million, two hundred twenty-one thousand, two hundred four".