3221994 has 8 divisors (see below), whose sum is σ = 6444000. Its totient is φ = 1073996.

The previous prime is 3221983. The next prime is 3222007. The reversal of 3221994 is 4991223.

3221994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

3221994 is an admirable number.

It is an unprimeable number.

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, 268494 + ... + 268505.

It is an arithmetic number, because the mean of its divisors is an integer number (805500).

Almost surely, 2^3221994 is an apocalyptic number.

3221994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3221994 is a wasteful number, since it uses less digits than its factorization.

3221994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537004.

The product of its digits is 3888, while the sum is 30.

The square root of 3221994 is about 1794.9913648817. The cubic root of 3221994 is about 147.6981001918.

The spelling of 3221994 in words is "three million, two hundred twenty-one thousand, nine hundred ninety-four".