22434 has 8 divisors (see below), whose sum is σ = 44880. Its totient is φ = 7476.

The previous prime is 22433. The next prime is 22441. The reversal of 22434 is 43422.

It is a happy number.

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

22434 is an admirable number.

It is a plaindrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (22433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1864 + ... + 1875.

It is an arithmetic number, because the mean of its divisors is an integer number (5610).

2²²⁴³⁴ is an apocalyptic number.

22434 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 (22440).

22434 is a wasteful number, since it uses less digits than its factorization.

22434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3744.

The product of its digits is 192, while the sum is 15.

The square root of 22434 is about 149.7798384296. The cubic root of 22434 is about 28.2034501085.

Adding to 22434 its reverse (43422), we get a palindrome (65856).

The spelling of 22434 in words is "twenty-two thousand, four hundred thirty-four".