3221344 has 48 divisors (see below), whose sum is σ = 7384608. Its totient is φ = 1354752.

The previous prime is 3221327. The next prime is 3221353. The reversal of 3221344 is 4431223.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16254 + ... + 16450.

It is an arithmetic number, because the mean of its divisors is an integer number (153846).

Almost surely, 2^3221344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3221344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3692304).

3221344 is an abundant number, since it is smaller than the sum of its proper divisors (4163264).

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

3221344 is a wasteful number, since it uses less digits than its factorization.

3221344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 279 counting only the distinct ones).

The product of its digits is 576, while the sum is 19.

The square root of 3221344 is about 1794.8102963823. The cubic root of 3221344 is about 147.6881673964.

Adding to 3221344 its reverse (4431223), we get a palindrome (7652567).

The spelling of 3221344 in words is "three million, two hundred twenty-one thousand, three hundred forty-four".