7208225125 has 16 divisors (see below), whose sum is σ = 9143347824. Its totient is φ = 5672040000.

The previous prime is 7208225039. The next prime is 7208225153. The reversal of 7208225125 is 5215228027.

It can be written as a sum of positive squares in 8 ways, for example, as 2075075809 + 5133149316 = 45553^2 + 71646^2 .

It is a de Polignac number, because none of the positive numbers 2^k-7208225125 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 465046 + ... + 480295.

It is an arithmetic number, because the mean of its divisors is an integer number (571459239).

Almost surely, 2^7208225125 is an apocalyptic number.

It is an amenable number.

7208225125 is a deficient number, since it is larger than the sum of its proper divisors (1935122699).

7208225125 is an equidigital number, since it uses as much as digits as its factorization.

7208225125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945417 (or 945407 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 7208225125 is about 84901.2669222315. The cubic root of 7208225125 is about 1931.7137922495.

The spelling of 7208225125 in words is "seven billion, two hundred eight million, two hundred twenty-five thousand, one hundred twenty-five".