8187225 has 24 divisors (see below), whose sum is σ = 13636032. Its totient is φ = 4334400.

The previous prime is 8187211. The next prime is 8187227. The reversal of 8187225 is 5227818.

It is not a de Polignac number, because 8187225 - 2⁷ = 8187097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8187227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12660 + ... + 13290.

It is an arithmetic number, because the mean of its divisors is an integer number (568168).

Almost surely, 2^8187225 is an apocalyptic number.

It is an amenable number.

8187225 is a deficient number, since it is larger than the sum of its proper divisors (5448807).

8187225 is a wasteful number, since it uses less digits than its factorization.

8187225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817 (or 812 counting only the distinct ones).

The product of its digits is 8960, while the sum is 33.

The square root of 8187225 is about 2861.3327314383. The cubic root of 8187225 is about 201.5481929031.

The spelling of 8187225 in words is "eight million, one hundred eighty-seven thousand, two hundred twenty-five".