22232 has 16 divisors (see below), whose sum is σ = 47760. Its totient is φ = 9504.

The previous prime is 22229. The next prime is 22247. The reversal of 22232 is 23222.

It is an Ulam number.

It is a nialpdrome in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143 + ... + 254.

It is an arithmetic number, because the mean of its divisors is an integer number (2985).

2²²²³² is an apocalyptic number.

It is an amenable number.

22232 is an abundant number, since it is smaller than the sum of its proper divisors (25528).

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 (23880).

22232 is a wasteful number, since it uses less digits than its factorization.

22232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 406 counting only the distinct ones).

The product of its digits is 48, while the sum is 11.

The square root of 22232 is about 149.1039905569. The cubic root of 22232 is about 28.1185450207.

Adding to 22232 its reverse (23222), we get a palindrome (45454).

Subtracting 22232 from its reverse (23222), we obtain a triangular number (990 = T₄₄).

The spelling of 22232 in words is "twenty-two thousand, two hundred thirty-two".