3220375 has 8 divisors (see below), whose sum is σ = 4019184. Its totient is φ = 2576200.

The previous prime is 3220351. The next prime is 3220381. The reversal of 3220375 is 5730223.

It is a happy number.

3220375 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3220375 - 2⁹ = 3219863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12757 + ... + 13006.

It is an arithmetic number, because the mean of its divisors is an integer number (502398).

Almost surely, 2^3220375 is an apocalyptic number.

3220375 is a deficient number, since it is larger than the sum of its proper divisors (798809).

3220375 is an equidigital number, since it uses as much as digits as its factorization.

3220375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25778 (or 25768 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 3220375 is about 1794.5403311155. The cubic root of 3220375 is about 147.6733574096.

Adding to 3220375 its reverse (5730223), we get a palindrome (8950598).

The spelling of 3220375 in words is "three million, two hundred twenty thousand, three hundred seventy-five".