2220323 has 4 divisors (see below), whose sum is σ = 2537520. Its totient is φ = 1903128.

The previous prime is 2220311. The next prime is 2220331. The reversal of 2220323 is 3230222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2220323 - 2⁴ = 2220307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220298 and 2220307.

It is not an unprimeable number, because it can be changed into a prime (2220373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158588 + ... + 158601.

It is an arithmetic number, because the mean of its divisors is an integer number (634380).

2^2220323 is an apocalyptic number.

2220323 is a deficient number, since it is larger than the sum of its proper divisors (317197).

2220323 is an equidigital number, since it uses as much as digits as its factorization.

2220323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317196.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 2220323 is about 1490.0748303357. The cubic root of 2220323 is about 130.4584014250.

Adding to 2220323 its reverse (3230222), we get a palindrome (5450545).

The spelling of 2220323 in words is "two million, two hundred twenty thousand, three hundred twenty-three".