3220418208 has 96 divisors (see below), whose sum is σ = 9684541440. Its totient is φ = 917902080.

The previous prime is 3220418207. The next prime is 3220418263. The reversal of 3220418208 is 8028140223.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (3220418207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284073 + ... + 295191.

It is an arithmetic number, because the mean of its divisors is an integer number (100880640).

Almost surely, 2^3220418208 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 3220418208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4842270720).

3220418208 is an abundant number, since it is smaller than the sum of its proper divisors (6464123232).

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

3220418208 is a wasteful number, since it uses less digits than its factorization.

3220418208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11570 (or 11562 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 3220418208 is about 56748.7286906059. The cubic root of 3220418208 is about 1476.7401785465.

The spelling of 3220418208 in words is "three billion, two hundred twenty million, four hundred eighteen thousand, two hundred eight".