3220545200 has 120 divisors (see below), whose sum is σ = 7992183408. Its totient is φ = 1246371840.

The previous prime is 3220545199. The next prime is 3220545241. The reversal of 3220545200 is 25450223.

It is a super-2 number, since 2×3220545200² = 20743822770486080000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1942772 + ... + 1944428.

Almost surely, 2^3220545200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3220545200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3996091704).

3220545200 is an abundant number, since it is smaller than the sum of its proper divisors (4771638208).

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

3220545200 is a wasteful number, since it uses less digits than its factorization.

3220545200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831 (or 1820 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 3220545200 is about 56749.8475768878. The cubic root of 3220545200 is about 1476.7595892474.

Adding to 3220545200 its reverse (25450223), we get a palindrome (3245995423).

The spelling of 3220545200 in words is "three billion, two hundred twenty million, five hundred forty-five thousand, two hundred".