3220307 has 2 divisors, whose sum is σ = 3220308. Its totient is φ = 3220306.

The previous prime is 3220297. The next prime is 3220309. The reversal of 3220307 is 7030223.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3220307 - 2⁸ = 3220051 is a prime.

Together with 3220309, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3220309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610153 + 1610154.

It is an arithmetic number, because the mean of its divisors is an integer number (1610154).

Almost surely, 2^3220307 is an apocalyptic number.

3220307 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220307 is an equidigital number, since it uses as much as digits as its factorization.

3220307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 3220307 is about 1794.5213846594. The cubic root of 3220307 is about 147.6723180008.

The spelling of 3220307 in words is "three million, two hundred twenty thousand, three hundred seven".