3220332220 has 96 divisors (see below), whose sum is σ = 7953297408. Its totient is φ = 1072507392.

The previous prime is 3220332179. The next prime is 3220332251. The reversal of 3220332220 is 222330223.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 682389 + ... + 687091.

It is an arithmetic number, because the mean of its divisors is an integer number (82846848).

Almost surely, 2^3220332220 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 3220332220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3976648704).

3220332220 is an abundant number, since it is smaller than the sum of its proper divisors (4732965188).

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

3220332220 is a wasteful number, since it uses less digits than its factorization.

3220332220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4859 (or 4857 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 3220332220 is about 56747.9710650522. The cubic root of 3220332220 is about 1476.7270350088.

Adding to 3220332220 its reverse (222330223), we get a palindrome (3442662443).

The spelling of 3220332220 in words is "three billion, two hundred twenty million, three hundred thirty-two thousand, two hundred twenty".