3022321 has 4 divisors (see below), whose sum is σ = 3028644. Its totient is φ = 3016000.

The previous prime is 3022309. The next prime is 3022339. The reversal of 3022321 is 1232203.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2146225 + 876096 = 1465^2 + 936^2 .

It is a cyclic number.

It is not a de Polignac number, because 3022321 - 2⁵ = 3022289 is a prime.

It is a Duffinian number.

3022321 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3022391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2380 + ... + 3421.

It is an arithmetic number, because the mean of its divisors is an integer number (757161).

Almost surely, 2^3022321 is an apocalyptic number.

It is an amenable number.

3022321 is a deficient number, since it is larger than the sum of its proper divisors (6323).

3022321 is an equidigital number, since it uses as much as digits as its factorization.

3022321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6322.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 3022321 is about 1738.4823841500. The cubic root of 3022321 is about 144.5817674774.

Adding to 3022321 its reverse (1232203), we get a palindrome (4254524).

The spelling of 3022321 in words is "three million, twenty-two thousand, three hundred twenty-one".