7221888960 has 448 divisors, whose sum is σ = 27823509504. Its totient is φ = 1563033600.

The previous prime is 7221888943. The next prime is 7221888997. The reversal of 7221888960 is 698881227.

It is a happy number.

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 63 ways as a sum of consecutive naturals, for example, 4254832 + ... + 4256528.

It is an arithmetic number, because the mean of its divisors is an integer number (62106048).

Almost surely, 2^7221888960 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 7221888960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13911754752).

7221888960 is an abundant number, since it is smaller than the sum of its proper divisors (20601620544).

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

7221888960 is a wasteful number, since it uses less digits than its factorization.

7221888960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772 (or 1762 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 51.

The square root of 7221888960 is about 84981.6977942898. The cubic root of 7221888960 is about 1932.9336005390.

The spelling of 7221888960 in words is "seven billion, two hundred twenty-one million, eight hundred eighty-eight thousand, nine hundred sixty".