11201222 has 16 divisors (see below), whose sum is σ = 17766000. Its totient is φ = 5281920.

The previous prime is 11201219. The next prime is 11201233. The reversal of 11201222 is 22210211.

It is a happy number.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 10154 + ... + 11202.

It is an arithmetic number, because the mean of its divisors is an integer number (1110375).

Almost surely, 2^11201222 is an apocalyptic number.

11201222 is a deficient number, since it is larger than the sum of its proper divisors (6564778).

11201222 is a wasteful number, since it uses less digits than its factorization.

11201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 11201222 is about 3346.8226723267. The cubic root of 11201222 is about 223.7459252506.

Adding to 11201222 its reverse (22210211), we get a palindrome (33411433).

The spelling of 11201222 in words is "eleven million, two hundred one thousand, two hundred twenty-two".