11223213 has 8 divisors (see below), whose sum is σ = 15844608. Its totient is φ = 7041984.

The previous prime is 11223181. The next prime is 11223253. The reversal of 11223213 is 31232211.

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

It is not a de Polignac number, because 11223213 - 2⁵ = 11223181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11223192 and 11223201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223253) 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 7 ways as a sum of consecutive naturals, for example, 109981 + ... + 110082.

It is an arithmetic number, because the mean of its divisors is an integer number (1980576).

Almost surely, 2^11223213 is an apocalyptic number.

It is an amenable number.

11223213 is a deficient number, since it is larger than the sum of its proper divisors (4621395).

11223213 is a wasteful number, since it uses less digits than its factorization.

11223213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220083.

The product of its digits is 72, while the sum is 15.

The square root of 11223213 is about 3350.1064162202. The cubic root of 11223213 is about 223.8922539319.

Adding to 11223213 its reverse (31232211), we get a palindrome (42455424).

The spelling of 11223213 in words is "eleven million, two hundred twenty-three thousand, two hundred thirteen".