3220373 has 16 divisors (see below), whose sum is σ = 3666432. Its totient is φ = 2808000.

The previous prime is 3220351. The next prime is 3220381. The reversal of 3220373 is 3730223.

It is not a de Polignac number, because 3220373 - 2⁶ = 3220309 is a prime.

It is a Smith number, since the sum of its digits (20) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24518 + ... + 24648.

It is an arithmetic number, because the mean of its divisors is an integer number (229152).

Almost surely, 2^3220373 is an apocalyptic number.

It is an amenable number.

3220373 is a deficient number, since it is larger than the sum of its proper divisors (446059).

3220373 is a wasteful number, since it uses less digits than its factorization.

3220373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236.

The product of its (nonzero) digits is 756, while the sum is 20.

The square root of 3220373 is about 1794.5397738696. The cubic root of 3220373 is about 147.6733268390.

Adding to 3220373 its reverse (3730223), we get a palindrome (6950596).

The spelling of 3220373 in words is "three million, two hundred twenty thousand, three hundred seventy-three".