22359 has 8 divisors (see below), whose sum is σ = 30960. Its totient is φ = 14336.

The previous prime is 22349. The next prime is 22367. The reversal of 22359 is 95322.

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

It is a 11-Lehmer number, since φ(22359) divides (22359-1)¹¹.

It is a cyclic number.

It is not a de Polignac number, because 22359 - 2⁴ = 22343 is a prime.

It is an Ulam number.

22359 is an undulating number in base 16.

It is a plaindrome in base 10.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22349) 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, 42 + ... + 215.

It is an arithmetic number, because the mean of its divisors is an integer number (3870).

2²²³⁵⁹ is an apocalyptic number.

22359 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

22359 is a deficient number, since it is larger than the sum of its proper divisors (8601).

22359 is a wasteful number, since it uses less digits than its factorization.

22359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289.

The product of its digits is 540, while the sum is 21.

The square root of 22359 is about 149.5292613504. The cubic root of 22359 is about 28.1719856595.

It can be divided in two parts, 223 and 59, that added together give a palindrome (282).

The spelling of 22359 in words is "twenty-two thousand, three hundred fifty-nine".