3220576 has 24 divisors (see below), whose sum is σ = 6675480. Its totient is φ = 1525248.

The previous prime is 3220561. The next prime is 3220577. The reversal of 3220576 is 6750223.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3220576.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220577) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2041 + ... + 3256.

It is an arithmetic number, because the mean of its divisors is an integer number (278145).

Almost surely, 2^3220576 is an apocalyptic number.

It is an amenable number.

3220576 is an abundant number, since it is smaller than the sum of its proper divisors (3454904).

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

3220576 is a wasteful number, since it uses less digits than its factorization.

3220576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5326 (or 5318 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 3220576 is about 1794.5963334410. The cubic root of 3220576 is about 147.6764296944.

Adding to 3220576 its reverse (6750223), we get a palindrome (9970799).

The spelling of 3220576 in words is "three million, two hundred twenty thousand, five hundred seventy-six".