11201224 has 16 divisors (see below), whose sum is σ = 21145500. Its totient is φ = 5562432.

The previous prime is 11201219. The next prime is 11201233. The reversal of 11201224 is 42210211.

It is a happy number.

11201224 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 7896100 + 3305124 = 2810^2 + 1818^2 .

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, 3507 + ... + 5890.

Almost surely, 2^11201224 is an apocalyptic number.

It is an amenable number.

11201224 is a deficient number, since it is larger than the sum of its proper divisors (9944276).

11201224 is a wasteful number, since it uses less digits than its factorization.

11201224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9552 (or 9548 counting only the distinct ones).

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

The square root of 11201224 is about 3346.8229711175. The cubic root of 11201224 is about 223.7459385674.

Adding to 11201224 its reverse (42210211), we get a palindrome (53411435).

The spelling of 11201224 in words is "eleven million, two hundred one thousand, two hundred twenty-four".