22854 has 16 divisors (see below), whose sum is σ = 49392. Its totient is φ = 7008.

The previous prime is 22853. The next prime is 22859. The reversal of 22854 is 45822.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 22854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69 + ... + 224.

It is an arithmetic number, because the mean of its divisors is an integer number (3087).

2²²⁸⁵⁴ is an apocalyptic number.

22854 is an abundant number, since it is smaller than the sum of its proper divisors (26538).

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 (24696).

22854 is a wasteful number, since it uses less digits than its factorization.

22854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311.

The product of its digits is 640, while the sum is 21.

The square root of 22854 is about 151.1753948234. The cubic root of 22854 is about 28.3783674450.

It can be divided in two parts, 228 and 54, that added together give a palindrome (282).

The spelling of 22854 in words is "twenty-two thousand, eight hundred fifty-four".