7228657873 has 12 divisors (see below), whose sum is σ = 7692147792. Its totient is φ = 6791693120.

The previous prime is 7228657867. The next prime is 7228657883. The reversal of 7228657873 is 3787568227.

It is a de Polignac number, because none of the positive numbers 2^k-7228657873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7228657823) 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 11 ways as a sum of consecutive naturals, for example, 148338 + ... + 190948.

It is an arithmetic number, because the mean of its divisors is an integer number (641012316).

Almost surely, 2^7228657873 is an apocalyptic number.

It is an amenable number.

7228657873 is a deficient number, since it is larger than the sum of its proper divisors (463489919).

7228657873 is a wasteful number, since it uses less digits than its factorization.

7228657873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43232 (or 43215 counting only the distinct ones).

The product of its digits is 7902720, while the sum is 55.

The square root of 7228657873 is about 85021.5141772951. The cubic root of 7228657873 is about 1933.5373102628.

The spelling of 7228657873 in words is "seven billion, two hundred twenty-eight million, six hundred fifty-seven thousand, eight hundred seventy-three".