8422865 has 16 divisors (see below), whose sum is σ = 11327040. Its totient is φ = 5958720.

The previous prime is 8422859. The next prime is 8422867. The reversal of 8422865 is 5682248.

It is not a de Polignac number, because 8422865 - 2¹⁴ = 8406481 is a prime.

It is a d-powerful number, because it can be written as 8² + 4 + 2²² + 2²² + 8⁵ + 6⁴ + 5³ .

It is not an unprimeable number, because it can be changed into a prime (8422867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35 + ... + 4104.

It is an arithmetic number, because the mean of its divisors is an integer number (707940).

Almost surely, 2^8422865 is an apocalyptic number.

It is an amenable number.

8422865 is a deficient number, since it is larger than the sum of its proper divisors (2904175).

8422865 is a wasteful number, since it uses less digits than its factorization.

8422865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4192.

The product of its digits is 30720, while the sum is 35.

The square root of 8422865 is about 2902.2172558236. The cubic root of 8422865 is about 203.4635479344.

The spelling of 8422865 in words is "eight million, four hundred twenty-two thousand, eight hundred sixty-five".