3220545604 has 6 divisors (see below), whose sum is σ = 5635954814. Its totient is φ = 1610272800.

The previous prime is 3220545589. The next prime is 3220545611. The reversal of 3220545604 is 4065450223.

It can be written as a sum of positive squares in only one way, i.e., 1784893504 + 1435652100 = 42248^2 + 37890^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402568197 + ... + 402568204.

Almost surely, 2^3220545604 is an apocalyptic number.

It is an amenable number.

3220545604 is a deficient number, since it is larger than the sum of its proper divisors (2415409210).

3220545604 is a wasteful number, since it uses less digits than its factorization.

3220545604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805136405 (or 805136403 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 3220545604 is about 56749.8511363686. The cubic root of 3220545604 is about 1476.7596509979.

Adding to 3220545604 its reverse (4065450223), we get a palindrome (7285995827).

The spelling of 3220545604 in words is "three billion, two hundred twenty million, five hundred forty-five thousand, six hundred four".