3220574 has 24 divisors (see below), whose sum is σ = 5725080. Its totient is φ = 1354416.

The previous prime is 3220561. The next prime is 3220577. The reversal of 3220574 is 4750223.

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5504 + ... + 6060.

It is an arithmetic number, because the mean of its divisors is an integer number (238545).

Almost surely, 2^3220574 is an apocalyptic number.

3220574 is a deficient number, since it is larger than the sum of its proper divisors (2504506).

3220574 is a wasteful number, since it uses less digits than its factorization.

3220574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 3220574 is about 1794.5957762126. The cubic root of 3220574 is about 147.6763991250.

Adding to 3220574 its reverse (4750223), we get a palindrome (7970797).

The spelling of 3220574 in words is "three million, two hundred twenty thousand, five hundred seventy-four".