11198223 has 32 divisors (see below), whose sum is σ = 18155520. Its totient is φ = 6791040.

The previous prime is 11198221. The next prime is 11198227. The reversal of 11198223 is 32289111.

It is not a de Polignac number, because 11198223 - 2¹ = 11198221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11198221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13836 + ... + 14622.

It is an arithmetic number, because the mean of its divisors is an integer number (567360).

Almost surely, 2^11198223 is an apocalyptic number.

11198223 is a deficient number, since it is larger than the sum of its proper divisors (6957297).

11198223 is a wasteful number, since it uses less digits than its factorization.

11198223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844 (or 838 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 11198223 is about 3346.3746054499. The cubic root of 11198223 is about 223.7259549913.

The spelling of 11198223 in words is "eleven million, one hundred ninety-eight thousand, two hundred twenty-three".