22838 has 8 divisors (see below), whose sum is σ = 36120. Its totient is φ = 10800.

The previous prime is 22817. The next prime is 22853. The reversal of 22838 is 83822.

22838 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

22838 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, 263 + ... + 338.

It is an arithmetic number, because the mean of its divisors is an integer number (4515).

2²²⁸³⁸ is an apocalyptic number.

22838 is a deficient number, since it is larger than the sum of its proper divisors (13282).

22838 is a wasteful number, since it uses less digits than its factorization.

22838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622.

The product of its digits is 768, while the sum is 23.

The square root of 22838 is about 151.1224668936. The cubic root of 22838 is about 28.3717433693.

The spelling of 22838 in words is "twenty-two thousand, eight hundred thirty-eight".