3220544 has 14 divisors (see below), whose sum is σ = 6390894. Its totient is φ = 1610240.

The previous prime is 3220543. The next prime is 3220549. The reversal of 3220544 is 4450223.

It can be written as a sum of positive squares in only one way, i.e., 2958400 + 262144 = 1720^2 + 512^2 .

It is not an unprimeable number, because it can be changed into a prime (3220543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25097 + ... + 25224.

Almost surely, 2^3220544 is an apocalyptic number.

It is an amenable number.

3220544 is a deficient number, since it is larger than the sum of its proper divisors (3170350).

3220544 is an equidigital number, since it uses as much as digits as its factorization.

3220544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50333 (or 50323 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 3220544 is about 1794.5874177649. The cubic root of 3220544 is about 147.6759405830.

Adding to 3220544 its reverse (4450223), we get a palindrome (7670767).

The spelling of 3220544 in words is "three million, two hundred twenty thousand, five hundred forty-four".