3220220322 has 96 divisors (see below), whose sum is σ = 7921255680. Its totient is φ = 936898560.

The previous prime is 3220220321. The next prime is 3220220383. The reversal of 3220220322 is 2230220223.

3220220322 is a `hidden beast` number, since 322 + 0 + 2 + 20 + 322 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3220220295 and 3220220304.

It is not an unprimeable number, because it can be changed into a prime (3220220321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 489954 + ... + 496482.

It is an arithmetic number, because the mean of its divisors is an integer number (82513080).

Almost surely, 2^3220220322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3220220322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3960627840).

3220220322 is an abundant number, since it is smaller than the sum of its proper divisors (4701035358).

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

3220220322 is a wasteful number, since it uses less digits than its factorization.

3220220322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6648 (or 6645 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 3220220322 is about 56746.9851357762. The cubic root of 3220220322 is about 1476.7099306953.

Adding to 3220220322 its reverse (2230220223), we get a palindrome (5450440545).

Subtracting from 3220220322 its reverse (2230220223), we obtain a palindrome (990000099).

The spelling of 3220220322 in words is "three billion, two hundred twenty million, two hundred twenty thousand, three hundred twenty-two".