11158223 has 4 divisors (see below), whose sum is σ = 11395680. Its totient is φ = 10920768.

The previous prime is 11158183. The next prime is 11158237. The reversal of 11158223 is 32285111.

It is a happy number.

11158223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11158223 - 2¹⁴ = 11141839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11158523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118658 + ... + 118751.

It is an arithmetic number, because the mean of its divisors is an integer number (2848920).

Almost surely, 2^11158223 is an apocalyptic number.

11158223 is a deficient number, since it is larger than the sum of its proper divisors (237457).

11158223 is an equidigital number, since it uses as much as digits as its factorization.

11158223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237456.

The product of its digits is 480, while the sum is 23.

The square root of 11158223 is about 3340.3926415917. The cubic root of 11158223 is about 223.4592545008.

The spelling of 11158223 in words is "eleven million, one hundred fifty-eight thousand, two hundred twenty-three".