3220608280 has 64 divisors (see below), whose sum is σ = 7365038400. Its totient is φ = 1267230720.

The previous prime is 3220608269. The next prime is 3220608289. The reversal of 3220608280 is 828060223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220608289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1614964 + ... + 1616956.

It is an arithmetic number, because the mean of its divisors is an integer number (115078725).

Almost surely, 2^3220608280 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 3220608280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3682519200).

3220608280 is an abundant number, since it is smaller than the sum of its proper divisors (4144430120).

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

3220608280 is a wasteful number, since it uses less digits than its factorization.

3220608280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644 (or 2640 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 3220608280 is about 56750.4033465842. The cubic root of 3220608280 is about 1476.7692308227.

The spelling of 3220608280 in words is "three billion, two hundred twenty million, six hundred eight thousand, two hundred eighty".