11221158 has 32 divisors (see below), whose sum is σ = 24304896. Its totient is φ = 3433248.

The previous prime is 11221141. The next prime is 11221159. The reversal of 11221158 is 85112211.

11221158 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 (11221159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20241 + ... + 20787.

It is an arithmetic number, because the mean of its divisors is an integer number (759528).

Almost surely, 2^11221158 is an apocalyptic number.

11221158 is an abundant number, since it is smaller than the sum of its proper divisors (13083738).

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

11221158 is a wasteful number, since it uses less digits than its factorization.

11221158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828.

The product of its digits is 160, while the sum is 21.

The square root of 11221158 is about 3349.7996955042. The cubic root of 11221158 is about 223.8785880097.

Adding to 11221158 its reverse (85112211), we get a palindrome (96333369).

The spelling of 11221158 in words is "eleven million, two hundred twenty-one thousand, one hundred fifty-eight".