7224780288 has 120 divisors (see below), whose sum is σ = 21156630264. Its totient is φ = 2189271040.

The previous prime is 7224780259. The next prime is 7224780331. The reversal of 7224780288 is 8820874227.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166420 + ... + 205292.

Almost surely, 2^7224780288 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 7224780288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10578315132).

7224780288 is an abundant number, since it is smaller than the sum of its proper divisors (13931849976).

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

7224780288 is a wasteful number, since it uses less digits than its factorization.

7224780288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38916 (or 38889 counting only the distinct ones).

The product of its (nonzero) digits is 802816, while the sum is 48.

The square root of 7224780288 is about 84998.7075666448. The cubic root of 7224780288 is about 1933.1915201040.

The spelling of 7224780288 in words is "seven billion, two hundred twenty-four million, seven hundred eighty thousand, two hundred eighty-eight".