3220313 has 4 divisors (see below), whose sum is σ = 3295248. Its totient is φ = 3145380.

The previous prime is 3220309. The next prime is 3220319. The reversal of 3220313 is 3130223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3130223 = 887 ⋅3529.

It is a cyclic number.

It is not a de Polignac number, because 3220313 - 2² = 3220309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3220319) 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, 37403 + ... + 37488.

It is an arithmetic number, because the mean of its divisors is an integer number (823812).

Almost surely, 2^3220313 is an apocalyptic number.

It is an amenable number.

3220313 is a deficient number, since it is larger than the sum of its proper divisors (74935).

3220313 is an equidigital number, since it uses as much as digits as its factorization.

3220313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74934.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 3220313 is about 1794.5230564136. The cubic root of 3220313 is about 147.6724097139.

Adding to 3220313 its reverse (3130223), we get a palindrome (6350536).

The spelling of 3220313 in words is "three million, two hundred twenty thousand, three hundred thirteen".