22206 has 8 divisors (see below), whose sum is σ = 44424. Its totient is φ = 7400.

The previous prime is 22193. The next prime is 22229. The reversal of 22206 is 60222.

22206 = 73² + 74² + ... + 76².

It is a sphenic number, since it is the product of 3 distinct primes.

22206 is an admirable number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 22191 and 22200.

It is a congruent number.

It is an unprimeable number.

22206 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1845 + ... + 1856.

It is an arithmetic number, because the mean of its divisors is an integer number (5553).

2²²²⁰⁶ is an apocalyptic number.

22206 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.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22212).

22206 is a wasteful number, since it uses less digits than its factorization.

22206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3706.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 22206 is about 149.0167775789. The cubic root of 22206 is about 28.1075793353.

Adding to 22206 its reverse (60222), we get a palindrome (82428).

The spelling of 22206 in words is "twenty-two thousand, two hundred six".