8719225 has 6 divisors (see below), whose sum is σ = 10811870. Its totient is φ = 6975360.

The previous prime is 8719223. The next prime is 8719253. The reversal of 8719225 is 5229178.

It can be written as a sum of positive squares in 3 ways, for example, as 2383936 + 6335289 = 1544^2 + 2517^2 .

It is not a de Polignac number, because 8719225 - 2¹ = 8719223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8719223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 174360 + ... + 174409.

Almost surely, 2^8719225 is an apocalyptic number.

It is an amenable number.

8719225 is a deficient number, since it is larger than the sum of its proper divisors (2092645).

8719225 is a wasteful number, since it uses less digits than its factorization.

8719225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348779 (or 348774 counting only the distinct ones).

The product of its digits is 10080, while the sum is 34.

The square root of 8719225 is about 2952.8333850727. The cubic root of 8719225 is about 205.8223953858.

The spelling of 8719225 in words is "eight million, seven hundred nineteen thousand, two hundred twenty-five".