8715225 has 24 divisors (see below), whose sum is σ = 14909760. Its totient is φ = 4486720.

The previous prime is 8715209. The next prime is 8715233. The reversal of 8715225 is 5225178.

It is not a de Polignac number, because 8715225 - 2⁴ = 8715209 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8715192 and 8715201.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172 + ... + 4178.

It is an arithmetic number, because the mean of its divisors is an integer number (621240).

Almost surely, 2^8715225 is an apocalyptic number.

It is an amenable number.

8715225 is a deficient number, since it is larger than the sum of its proper divisors (6194535).

8715225 is a wasteful number, since it uses less digits than its factorization.

8715225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4049 (or 4044 counting only the distinct ones).

The product of its digits is 5600, while the sum is 30.

The square root of 8715225 is about 2952.1559918134. The cubic root of 8715225 is about 205.7909164601.

The spelling of 8715225 in words is "eight million, seven hundred fifteen thousand, two hundred twenty-five".