822165 has 16 divisors (see below), whose sum is σ = 1339200. Its totient is φ = 430592.

The previous prime is 822163. The next prime is 822167. The reversal of 822165 is 561228.

822165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (822163) and next prime (822167).

It is a cyclic number.

It is not a de Polignac number, because 822165 - 2¹ = 822163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822161) 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, 421 + ... + 1349.

It is an arithmetic number, because the mean of its divisors is an integer number (83700).

2⁸²²¹⁶⁵ is an apocalyptic number.

It is an amenable number.

822165 is a deficient number, since it is larger than the sum of its proper divisors (517035).

822165 is a wasteful number, since it uses less digits than its factorization.

822165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996.

The product of its digits is 960, while the sum is 24.

The square root of 822165 is about 906.7331470725. The cubic root of 822165 is about 93.6813185851.

The spelling of 822165 in words is "eight hundred twenty-two thousand, one hundred sixty-five".