22452 has 12 divisors (see below), whose sum is σ = 52416. Its totient is φ = 7480.

The previous prime is 22447. The next prime is 22453. The reversal of 22452 is 25422.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22453) by changing a digit.

22452 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, 924 + ... + 947.

It is an arithmetic number, because the mean of its divisors is an integer number (4368).

2²²⁴⁵² is an apocalyptic number.

It is an amenable number.

22452 is an abundant number, since it is smaller than the sum of its proper divisors (29964).

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 (26208).

22452 is a wasteful number, since it uses less digits than its factorization.

22452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878 (or 1876 counting only the distinct ones).

The product of its digits is 160, while the sum is 15.

The square root of 22452 is about 149.8399145755. The cubic root of 22452 is about 28.2109911383.

Adding to 22452 its reverse (25422), we get a palindrome (47874).

It can be divided in two parts, 224 and 52, that added together give a triangular number (276 = T₂₃).

The spelling of 22452 in words is "twenty-two thousand, four hundred fifty-two".