7221572848 has 20 divisors (see below), whose sum is σ = 15990625840. Its totient is φ = 3094959744.

The previous prime is 7221572833. The next prime is 7221572849. The reversal of 7221572848 is 8482751227.

It is a happy number.

It is a super-2 number, since 2×7221572848² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7221572798 and 7221572807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7221572849) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 32239053 + ... + 32239276.

It is an arithmetic number, because the mean of its divisors is an integer number (799531292).

Almost surely, 2^7221572848 is an apocalyptic number.

It is an amenable number.

7221572848 is an abundant number, since it is smaller than the sum of its proper divisors (8769052992).

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

7221572848 is a wasteful number, since it uses less digits than its factorization.

7221572848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64478344 (or 64478338 counting only the distinct ones).

The product of its digits is 501760, while the sum is 46.

The square root of 7221572848 is about 84979.8378911139. The cubic root of 7221572848 is about 1932.9053977412.

The spelling of 7221572848 in words is "seven billion, two hundred twenty-one million, five hundred seventy-two thousand, eight hundred forty-eight".