3220744 has 8 divisors (see below), whose sum is σ = 6038910. Its totient is φ = 1610368.

The previous prime is 3220727. The next prime is 3220771. The reversal of 3220744 is 4470223.

It can be written as a sum of positive squares in only one way, i.e., 2340900 + 879844 = 1530^2 + 938^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201289 + ... + 201304.

Almost surely, 2^3220744 is an apocalyptic number.

It is an amenable number.

3220744 is a deficient number, since it is larger than the sum of its proper divisors (2818166).

3220744 is a wasteful number, since it uses less digits than its factorization.

3220744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402599 (or 402595 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 3220744 is about 1794.6431400142. The cubic root of 3220744 is about 147.6789974762.

Adding to 3220744 its reverse (4470223), we get a palindrome (7690967).

The spelling of 3220744 in words is "three million, two hundred twenty thousand, seven hundred forty-four".