259422 has 8 divisors (see below), whose sum is σ = 518856. Its totient is φ = 86472.

The previous prime is 259421. The next prime is 259429. The reversal of 259422 is 224952.

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

259422 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2⁷ + 5⁵ + 4⁸ + 9⁵ + 2⁹ + 2¹⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 259392 and 259401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21613 + ... + 21624.

It is an arithmetic number, because the mean of its divisors is an integer number (64857).

2²⁵⁹⁴²² is an apocalyptic number.

259422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

259422 is a wasteful number, since it uses less digits than its factorization.

259422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43242.

The product of its digits is 1440, while the sum is 24.

The square root of 259422 is about 509.3348603817. The cubic root of 259422 is about 63.7777119043. Note that the first 4 decimals are identical.

The spelling of 259422 in words is "two hundred fifty-nine thousand, four hundred twenty-two".