11223321 has 8 divisors (see below), whose sum is σ = 15369024. Its totient is φ = 7279920.

The previous prime is 11223313. The next prime is 11223341. The reversal of 11223321 is 12332211.

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

It is not a de Polignac number, because 11223321 - 2³ = 11223313 is a prime.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 11223321.

It is not an unprimeable number, because it can be changed into a prime (11223341) 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, 50445 + ... + 50666.

It is an arithmetic number, because the mean of its divisors is an integer number (1921128).

Almost surely, 2^11223321 is an apocalyptic number.

It is an amenable number.

11223321 is a deficient number, since it is larger than the sum of its proper divisors (4145703).

11223321 is a wasteful number, since it uses less digits than its factorization.

11223321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101151.

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

The square root of 11223321 is about 3350.1225350724. The cubic root of 11223321 is about 223.8929720948.

Adding to 11223321 its reverse (12332211), we get a palindrome (23555532).

The spelling of 11223321 in words is "eleven million, two hundred twenty-three thousand, three hundred twenty-one".