22204 has 24 divisors (see below), whose sum is σ = 48608. Its totient is φ = 8640.

The previous prime is 22193. The next prime is 22229. The reversal of 22204 is 40222.

22204 = T₂₅ + T₂₆ + ... + T₅₂.

It is a happy number.

22204 is nontrivially palindromic in base 3.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334 + ... + 394.

2²²²⁰⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24304).

22204 is an abundant number, since it is smaller than the sum of its proper divisors (26404).

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

22204 is a wasteful number, since it uses less digits than its factorization.

22204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 22204 is about 149.0100667740. The cubic root of 22204 is about 28.1067354666.

Adding to 22204 its reverse (40222), we get a palindrome (62426).

The spelling of 22204 in words is "twenty-two thousand, two hundred four", and thus it is an iban number.