3221404 has 12 divisors (see below), whose sum is σ = 5688144. Its totient is φ = 1596224.

The previous prime is 3221401. The next prime is 3221419. The reversal of 3221404 is 4041223.

3221404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221401) 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, 3112 + ... + 4015.

It is an arithmetic number, because the mean of its divisors is an integer number (474012).

Almost surely, 2^3221404 is an apocalyptic number.

It is an amenable number.

3221404 is a deficient number, since it is larger than the sum of its proper divisors (2466740).

3221404 is a wasteful number, since it uses less digits than its factorization.

3221404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7244 (or 7242 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 3221404 is about 1794.8270111629. The cubic root of 3221404 is about 147.6890843258.

Adding to 3221404 its reverse (4041223), we get a palindrome (7262627).

The spelling of 3221404 in words is "three million, two hundred twenty-one thousand, four hundred four".