3221010220 has 24 divisors (see below), whose sum is σ = 6771441600. Its totient is φ = 1287009792.

The previous prime is 3221010217. The next prime is 3221010223. The reversal of 3221010220 is 220101223.

It is an interprime number because it is at equal distance from previous prime (3221010217) and next prime (3221010223).

It is a self number, because there is not a number n which added to its sum of digits gives 3221010220.

It is not an unprimeable number, because it can be changed into a prime (3221010223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68100 + ... + 105259.

It is an arithmetic number, because the mean of its divisors is an integer number (282143400).

Almost surely, 2^3221010220 is an apocalyptic number.

It is an amenable number.

3221010220 is an abundant number, since it is smaller than the sum of its proper divisors (3550431380).

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

3221010220 is a wasteful number, since it uses less digits than its factorization.

3221010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174297 (or 174295 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 3221010220 is about 56753.9445325169. The cubic root of 3221010220 is about 1476.8306631031.

Adding to 3221010220 its reverse (220101223), we get a palindrome (3441111443).

The spelling of 3221010220 in words is "three billion, two hundred twenty-one million, ten thousand, two hundred twenty".