206822 has 32 divisors (see below), whose sum is σ = 414720. Its totient is φ = 74880.

The previous prime is 206821. The next prime is 206827. The reversal of 206822 is 228602.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 206794 and 206803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206821) 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 15 ways as a sum of consecutive naturals, for example, 2579 + ... + 2657.

It is an arithmetic number, because the mean of its divisors is an integer number (12960).

2²⁰⁶⁸²² is an apocalyptic number.

206822 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

206822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206822 is a wasteful number, since it uses less digits than its factorization.

206822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 206822 is about 454.7768683651. The cubic root of 206822 is about 59.1378563255.

The spelling of 206822 in words is "two hundred six thousand, eight hundred twenty-two".