11221206 has 16 divisors (see below), whose sum is σ = 22534848. Its totient is φ = 3725000.

The previous prime is 11221193. The next prime is 11221211. The reversal of 11221206 is 60212211.

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, 2220 + ... + 5231.

It is an arithmetic number, because the mean of its divisors is an integer number (1408428).

Almost surely, 2^11221206 is an apocalyptic number.

11221206 is an abundant number, since it is smaller than the sum of its proper divisors (11313642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11221206 is a wasteful number, since it uses less digits than its factorization.

11221206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7707.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 11221206 is about 3349.8068601040. The cubic root of 11221206 is about 223.8789072328.

Adding to 11221206 its reverse (60212211), we get a palindrome (71433417).

The spelling of 11221206 in words is "eleven million, two hundred twenty-one thousand, two hundred six".