3220403 has 4 divisors (see below), whose sum is σ = 3230880. Its totient is φ = 3209928.

The previous prime is 3220381. The next prime is 3220409. The reversal of 3220403 is 3040223.

3220403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3220403 - 2¹⁸ = 2958259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3220409) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4763 + ... + 5396.

It is an arithmetic number, because the mean of its divisors is an integer number (807720).

Almost surely, 2^3220403 is an apocalyptic number.

3220403 is a deficient number, since it is larger than the sum of its proper divisors (10477).

3220403 is a wasteful number, since it uses less digits than its factorization.

3220403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10476.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 3220403 is about 1794.5481325392. The cubic root of 3220403 is about 147.6737853973.

Adding to 3220403 its reverse (3040223), we get a palindrome (6260626).

The spelling of 3220403 in words is "three million, two hundred twenty thousand, four hundred three".