8622725 has 6 divisors (see below), whose sum is σ = 10692210. Its totient is φ = 6898160.

The previous prime is 8622721. The next prime is 8622763. The reversal of 8622725 is 5272268.

It can be written as a sum of positive squares in 3 ways, for example, as 334084 + 8288641 = 578^2 + 2879^2 .

It is not a de Polignac number, because 8622725 - 2² = 8622721 is a prime.

It is a super-3 number, since 3×8622725³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8622691 and 8622700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8622721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 172430 + ... + 172479.

It is an arithmetic number, because the mean of its divisors is an integer number (1782035).

Almost surely, 2^8622725 is an apocalyptic number.

It is an amenable number.

8622725 is a deficient number, since it is larger than the sum of its proper divisors (2069485).

8622725 is a wasteful number, since it uses less digits than its factorization.

8622725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344919 (or 344914 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 8622725 is about 2936.4476838520. The cubic root of 8622725 is about 205.0602638609.

The spelling of 8622725 in words is "eight million, six hundred twenty-two thousand, seven hundred twenty-five".