25522 has 8 divisors (see below), whose sum is σ = 43776. Its totient is φ = 10932.

The previous prime is 25471. The next prime is 25523. The reversal of 25522 is 22552.

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

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 25496 and 25505.

It is not an unprimeable number, because it can be changed into a prime (25523) by changing a digit.

25522 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, 898 + ... + 925.

It is an arithmetic number, because the mean of its divisors is an integer number (5472).

2²⁵⁵²² is an apocalyptic number.

25522 is a deficient number, since it is larger than the sum of its proper divisors (18254).

25522 is a wasteful number, since it uses less digits than its factorization.

25522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832.

The product of its digits is 200, while the sum is 16.

The square root of 25522 is about 159.7560640477. The cubic root of 25522 is about 29.4422887812.

The spelling of 25522 in words is "twenty-five thousand, five hundred twenty-two".