11144223 has 14 divisors (see below), whose sum is σ = 16709784. Its totient is φ = 7428996.

The previous prime is 11144219. The next prime is 11144261. The reversal of 11144223 is 32244111.

It is not a de Polignac number, because 11144223 - 2² = 11144219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11144196 and 11144205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11144723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 6915 + ... + 8372.

It is an arithmetic number, because the mean of its divisors is an integer number (1193556).

Almost surely, 2^11144223 is an apocalyptic number.

11144223 is a deficient number, since it is larger than the sum of its proper divisors (5565561).

11144223 is an frugal number, since it uses more digits than its factorization.

11144223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15305 (or 15290 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 11144223 is about 3338.2964218296. The cubic root of 11144223 is about 223.3657587632.

Adding to 11144223 its reverse (32244111), we get a palindrome (43388334).

The spelling of 11144223 in words is "eleven million, one hundred forty-four thousand, two hundred twenty-three".