3207228816 has 80 divisors (see below), whose sum is σ = 9079418880. Its totient is φ = 967493760.

The previous prime is 3207228799. The next prime is 3207228839. The reversal of 3207228816 is 6188227023.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104125 + ... + 131363.

It is an arithmetic number, because the mean of its divisors is an integer number (113492736).

Almost surely, 2^3207228816 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 3207228816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4539709440).

3207228816 is an abundant number, since it is smaller than the sum of its proper divisors (5872190064).

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

3207228816 is a wasteful number, since it uses less digits than its factorization.

3207228816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27484 (or 27478 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 3207228816 is about 56632.4007614016. The cubic root of 3207228816 is about 1474.7213976913.

The spelling of 3207228816 in words is "three billion, two hundred seven million, two hundred twenty-eight thousand, eight hundred sixteen".