3722228320 has 96 divisors (see below), whose sum is σ = 8891467200. Its totient is φ = 1472464896.

The previous prime is 3722228297. The next prime is 3722228333. The reversal of 3722228320 is 238222273.

It is a congruent number.

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, 8478661 + ... + 8479099.

It is an arithmetic number, because the mean of its divisors is an integer number (92619450).

Almost surely, 2^3722228320 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 3722228320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4445733600).

3722228320 is an abundant number, since it is smaller than the sum of its proper divisors (5169238880).

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

3722228320 is a wasteful number, since it uses less digits than its factorization.

3722228320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 3722228320 is about 61010.0673659684. The cubic root of 3722228320 is about 1549.7714987475.

The spelling of 3722228320 in words is "three billion, seven hundred twenty-two million, two hundred twenty-eight thousand, three hundred twenty".