7221422080 has 96 divisors (see below), whose sum is σ = 17447157000. Its totient is φ = 2868576256.

The previous prime is 7221422059. The next prime is 7221422099. The reversal of 7221422080 is 802241227.

It can be written as a sum of positive squares in 4 ways, for example, as 3096699904 + 4124722176 = 55648^2 + 64224^2 .

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 7 ways as a sum of consecutive naturals, for example, 1523394 + ... + 1528126.

Almost surely, 2^7221422080 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 7221422080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8723578500).

7221422080 is an abundant number, since it is smaller than the sum of its proper divisors (10225734920).

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

7221422080 is a wasteful number, since it uses less digits than its factorization.

7221422080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4909 (or 4889 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 7221422080 is about 84978.9508054789. The cubic root of 7221422080 is about 1932.8919462713.

The spelling of 7221422080 in words is "seven billion, two hundred twenty-one million, four hundred twenty-two thousand, eighty".