3220343 has 8 divisors (see below), whose sum is σ = 3698688. Its totient is φ = 2746584.

The previous prime is 3220319. The next prime is 3220351. The reversal of 3220343 is 3430223.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3220343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220543) 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, 530 + ... + 2592.

It is an arithmetic number, because the mean of its divisors is an integer number (462336).

Almost surely, 2^3220343 is an apocalyptic number.

3220343 is a deficient number, since it is larger than the sum of its proper divisors (478345).

3220343 is a wasteful number, since it uses less digits than its factorization.

3220343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 3220343 is about 1794.5314151611. The cubic root of 3220343 is about 147.6728682779.

Adding to 3220343 its reverse (3430223), we get a palindrome (6650566).

The spelling of 3220343 in words is "three million, two hundred twenty thousand, three hundred forty-three".