22839 has 8 divisors (see below), whose sum is σ = 31872. Its totient is φ = 14520.

The previous prime is 22817. The next prime is 22853. The reversal of 22839 is 93822.

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

It is not a de Polignac number, because 22839 - 2⁵ = 22807 is a prime.

22839 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97 + ... + 234.

It is an arithmetic number, because the mean of its divisors is an integer number (3984).

2²²⁸³⁹ is an apocalyptic number.

22839 is a deficient number, since it is larger than the sum of its proper divisors (9033).

22839 is a wasteful number, since it uses less digits than its factorization.

22839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357.

The product of its digits is 864, while the sum is 24.

The square root of 22839 is about 151.1257754323. The cubic root of 22839 is about 28.3721574646.

It can be divided in two parts, 22 and 839, that added together give a triangular number (861 = T₄₁).

The spelling of 22839 in words is "twenty-two thousand, eight hundred thirty-nine".