3221673 has 16 divisors (see below), whose sum is σ = 5287296. Its totient is φ = 1699200.

The previous prime is 3221641. The next prime is 3221677. The reversal of 3221673 is 3761223.

It is not a de Polignac number, because 3221673 - 2⁵ = 3221641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3221677) 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, 5628 + ... + 6173.

It is an arithmetic number, because the mean of its divisors is an integer number (330456).

Almost surely, 2^3221673 is an apocalyptic number.

It is an amenable number.

3221673 is a deficient number, since it is larger than the sum of its proper divisors (2065623).

3221673 is a wasteful number, since it uses less digits than its factorization.

3221673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11824.

The product of its digits is 1512, while the sum is 24.

The square root of 3221673 is about 1794.9019471826. The cubic root of 3221673 is about 147.6931950860.

Adding to 3221673 its reverse (3761223), we get a palindrome (6982896).

The spelling of 3221673 in words is "three million, two hundred twenty-one thousand, six hundred seventy-three".