2223321 has 8 divisors (see below), whose sum is σ = 3000480. Its totient is φ = 1464192.

The previous prime is 2223317. The next prime is 2223329. The reversal of 2223321 is 1233222.

2223321 = T₄₈₈ + T₄₈₉ + ... + T₅₀₅.

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

It is not a de Polignac number, because 2223321 - 2² = 2223317 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2223321.

It is not an unprimeable number, because it can be changed into a prime (2223329) 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, 4216 + ... + 4713.

It is an arithmetic number, because the mean of its divisors is an integer number (375060).

2^2223321 is an apocalyptic number.

It is an amenable number.

2223321 is a deficient number, since it is larger than the sum of its proper divisors (777159).

2223321 is an equidigital number, since it uses as much as digits as its factorization.

2223321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9015.

The product of its digits is 144, while the sum is 15.

The square root of 2223321 is about 1491.0804807253. The cubic root of 2223321 is about 130.5170923429.

Adding to 2223321 its reverse (1233222), we get a palindrome (3456543).

Subtracting from 2223321 its reverse (1233222), we obtain a palindrome (990099).

The spelling of 2223321 in words is "two million, two hundred twenty-three thousand, three hundred twenty-one".