25822 has 4 divisors (see below), whose sum is σ = 38736. Its totient is φ = 12910.

The previous prime is 25819. The next prime is 25841. The reversal of 25822 is 22852.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 25822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6454 + ... + 6457.

It is an arithmetic number, because the mean of its divisors is an integer number (9684).

2²⁵⁸²² is an apocalyptic number.

25822 is a deficient number, since it is larger than the sum of its proper divisors (12914).

25822 is a wasteful number, since it uses less digits than its factorization.

25822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12913.

The product of its digits is 320, while the sum is 19.

The square root of 25822 is about 160.6922524579. The cubic root of 25822 is about 29.5572001355.

The spelling of 25822 in words is "twenty-five thousand, eight hundred twenty-two".