8225865 has 24 divisors (see below), whose sum is σ = 14531400. Its totient is φ = 4303104.

The previous prime is 8225863. The next prime is 8225873. The reversal of 8225865 is 5685228.

It can be written as a sum of positive squares in 4 ways, for example, as 51984 + 8173881 = 228^2 + 2859^2 .

It is not a de Polignac number, because 8225865 - 2¹ = 8225863 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8225863) 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 23 ways as a sum of consecutive naturals, for example, 661 + ... + 4109.

It is an arithmetic number, because the mean of its divisors is an integer number (605475).

Almost surely, 2^8225865 is an apocalyptic number.

It is an amenable number.

8225865 is a deficient number, since it is larger than the sum of its proper divisors (6305535).

8225865 is a wasteful number, since it uses less digits than its factorization.

8225865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3513 (or 3510 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 8225865 is about 2868.0768818147. The cubic root of 8225865 is about 201.8647675069.

The spelling of 8225865 in words is "eight million, two hundred twenty-five thousand, eight hundred sixty-five".