3220222120 has 16 divisors (see below), whose sum is σ = 7245499860. Its totient is φ = 1288088832.

The previous prime is 3220222099. The next prime is 3220222129. The reversal of 3220222120 is 212220223.

It can be written as a sum of positive squares in 2 ways, for example, as 3216931524 + 3290596 = 56718^2 + 1814^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3220222094 and 3220222103.

It is not an unprimeable number, because it can be changed into a prime (3220222129) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 40252737 + ... + 40252816.

Almost surely, 2^3220222120 is an apocalyptic number.

It is an amenable number.

3220222120 is an abundant number, since it is smaller than the sum of its proper divisors (4025277740).

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

3220222120 is a wasteful number, since it uses less digits than its factorization.

3220222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80505564 (or 80505560 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 3220222120 is about 56747.0009780253. Note that the first 3 decimals coincide. The cubic root of 3220222120 is about 1476.7102055340.

Adding to 3220222120 its reverse (212220223), we get a palindrome (3432442343).

The spelling of 3220222120 in words is "three billion, two hundred twenty million, two hundred twenty-two thousand, one hundred twenty".