3222205220 has 24 divisors (see below), whose sum is σ = 7287141624. Its totient is φ = 1189737216.

The previous prime is 3222205219. The next prime is 3222205223. The reversal of 3222205220 is 225022223.

It can be written as a sum of positive squares in 4 ways, for example, as 2096704 + 3220108516 = 1448^2 + 56746^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3222205192 and 3222205201.

It is not an unprimeable number, because it can be changed into a prime (3222205223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6196289 + ... + 6196808.

It is an arithmetic number, because the mean of its divisors is an integer number (303630901).

Almost surely, 2^3222205220 is an apocalyptic number.

It is an amenable number.

3222205220 is an abundant number, since it is smaller than the sum of its proper divisors (4064936404).

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

3222205220 is a wasteful number, since it uses less digits than its factorization.

3222205220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12393119 (or 12393117 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 3222205220 is about 56764.4714588271. The cubic root of 3222205220 is about 1477.0132760431.

Adding to 3222205220 its reverse (225022223), we get a palindrome (3447227443).

The spelling of 3222205220 in words is "three billion, two hundred twenty-two million, two hundred five thousand, two hundred twenty".