11170223 has 4 divisors (see below), whose sum is σ = 11304888. Its totient is φ = 11035560.

The previous prime is 11170219. The next prime is 11170273. The reversal of 11170223 is 32207111.

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 11170223 - 2² = 11170219 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 (11170213) 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, 67208 + ... + 67373.

It is an arithmetic number, because the mean of its divisors is an integer number (2826222).

Almost surely, 2^11170223 is an apocalyptic number.

11170223 is a deficient number, since it is larger than the sum of its proper divisors (134665).

11170223 is an equidigital number, since it uses as much as digits as its factorization.

11170223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134664.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 11170223 is about 3342.1883549555. The cubic root of 11170223 is about 223.5393314796.

Adding to 11170223 its reverse (32207111), we get a palindrome (43377334).

The spelling of 11170223 in words is "eleven million, one hundred seventy thousand, two hundred twenty-three".