3220200 has 72 divisors (see below), whose sum is σ = 10820550. Its totient is φ = 858240.

The previous prime is 3220193. The next prime is 3220201. The reversal of 3220200 is 20223.

It can be written as a sum of positive squares in 3 ways, for example, as 3006756 + 213444 = 1734^2 + 462^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (3220201) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 906 + ... + 2694.

Almost surely, 2^3220200 is an apocalyptic number.

3220200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3220200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5410275).

3220200 is an abundant number, since it is smaller than the sum of its proper divisors (7600350).

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

3220200 is a wasteful number, since it uses less digits than its factorization.

3220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811 (or 1799 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 3220200 is about 1794.4915714486. The cubic root of 3220200 is about 147.6706824307.

Adding to 3220200 its reverse (20223), we get a palindrome (3240423).

The spelling of 3220200 in words is "three million, two hundred twenty thousand, two hundred".