22859 has 2 divisors, whose sum is σ = 22860. Its totient is φ = 22858.

The previous prime is 22853. The next prime is 22861. The reversal of 22859 is 95822.

22859 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22859 is a prime.

Together with 22861, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (22853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11429 + 11430.

It is an arithmetic number, because the mean of its divisors is an integer number (11430).

2²²⁸⁵⁹ is an apocalyptic number.

22859 is a deficient number, since it is larger than the sum of its proper divisors (1).

22859 is an equidigital number, since it uses as much as digits as its factorization.

22859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 26.

The square root of 22859 is about 151.1919310016. The cubic root of 22859 is about 28.3804368346.

The spelling of 22859 in words is "twenty-two thousand, eight hundred fifty-nine".