3221006 has 8 divisors (see below), whose sum is σ = 4850280. Its totient is φ = 1604248.

The previous prime is 3220967. The next prime is 3221017. The reversal of 3221006 is 6001223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2456 + ... + 3531.

It is an arithmetic number, because the mean of its divisors is an integer number (606285).

Almost surely, 2^3221006 is an apocalyptic number.

3221006 is a deficient number, since it is larger than the sum of its proper divisors (1629274).

3221006 is a wasteful number, since it uses less digits than its factorization.

3221006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6258.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3221006 is about 1794.7161335431. The cubic root of 3221006 is about 147.6830018147.

Adding to 3221006 its reverse (6001223), we get a palindrome (9222229).

The spelling of 3221006 in words is "three million, two hundred twenty-one thousand, six".