3220333220 has 48 divisors (see below), whose sum is σ = 7287401520. Its totient is φ = 1188312576.

The previous prime is 3220333211. The next prime is 3220333243. The reversal of 3220333220 is 223330223.

It can be written as a sum of positive squares in 8 ways, for example, as 1368408064 + 1851925156 = 36992^2 + 43034^2 .

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 = 3220333192 and 3220333201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 603926 + ... + 609234.

It is an arithmetic number, because the mean of its divisors is an integer number (151820865).

Almost surely, 2^3220333220 is an apocalyptic number.

It is an amenable number.

3220333220 is an abundant number, since it is smaller than the sum of its proper divisors (4067068300).

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

3220333220 is a wasteful number, since it uses less digits than its factorization.

3220333220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7664 (or 7662 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

The square root of 3220333220 is about 56747.9798759392. The cubic root of 3220333220 is about 1476.7271878633.

Adding to 3220333220 its reverse (223330223), we get a palindrome (3443663443).

The spelling of 3220333220 in words is "three billion, two hundred twenty million, three hundred thirty-three thousand, two hundred twenty".