22230 has 48 divisors (see below), whose sum is σ = 65520. Its totient is φ = 5184.

The previous prime is 22229. The next prime is 22247. The reversal of 22230 is 3222.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a plaindrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1161 + ... + 1179.

It is an arithmetic number, because the mean of its divisors is an integer number (1365).

2²²²³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32760).

22230 is an abundant number, since it is smaller than the sum of its proper divisors (43290).

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

22230 is a wasteful number, since it uses less digits than its factorization.

22230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 22230 is about 149.0972836775. The cubic root of 22230 is about 28.1177018101.

Adding to 22230 its reverse (3222), we get a palindrome (25452).

It can be divided in two parts, 222 and 30, that added together give a palindrome (252).

The spelling of 22230 in words is "twenty-two thousand, two hundred thirty".