3228907900 has 72 divisors (see below), whose sum is σ = 7328530944. Its totient is φ = 1232510400.

The previous prime is 3228907813. The next prime is 3228907901. The reversal of 3228907900 is 97098223.

3228907900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3228907901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1155505 + ... + 1158295.

It is an arithmetic number, because the mean of its divisors is an integer number (101785152).

Almost surely, 2^3228907900 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 3228907900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3664265472).

3228907900 is an abundant number, since it is smaller than the sum of its proper divisors (4099623044).

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

3228907900 is a wasteful number, since it uses less digits than its factorization.

3228907900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3331 (or 3324 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 3228907900 is about 56823.4801820515. The cubic root of 3228907900 is about 1478.0367046293.

The spelling of 3228907900 in words is "three billion, two hundred twenty-eight million, nine hundred seven thousand, nine hundred".