11221223 has 8 divisors (see below), whose sum is σ = 12196800. Its totient is φ = 10261728.

The previous prime is 11221219. The next prime is 11221247. The reversal of 11221223 is 32212211.

It is a happy number.

11221223 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11221223 - 2² = 11221219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11221198 and 11221207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2543 + ... + 5376.

It is an arithmetic number, because the mean of its divisors is an integer number (1524600).

Almost surely, 2^11221223 is an apocalyptic number.

11221223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11221223 is a deficient number, since it is larger than the sum of its proper divisors (975577).

11221223 is a wasteful number, since it uses less digits than its factorization.

11221223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8041.

The product of its digits is 48, while the sum is 14.

The square root of 11221223 is about 3349.8093975628. The cubic root of 11221223 is about 223.8790202907.

Adding to 11221223 its reverse (32212211), we get a palindrome (43433434).

The spelling of 11221223 in words is "eleven million, two hundred twenty-one thousand, two hundred twenty-three".