25022 has 4 divisors (see below), whose sum is σ = 37536. Its totient is φ = 12510.

The previous prime is 25013. The next prime is 25031. The reversal of 25022 is 22052.

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

It is an interprime number because it is at equal distance from previous prime (25013) and next prime (25031).

It is a super-2 number, since 2×25022² = 1252200968, which contains 22 as substring.

It is a plaindrome in base 11.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 24994 and 25012.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 25022.

It is an unprimeable number.

25022 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 as a sum of consecutive naturals, namely, 6254 + ... + 6257.

It is an arithmetic number, because the mean of its divisors is an integer number (9384).

2²⁵⁰²² is an apocalyptic number.

25022 is a deficient number, since it is larger than the sum of its proper divisors (12514).

25022 is a wasteful number, since it uses less digits than its factorization.

25022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12513.

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 25022 is about 158.1834378182. The cubic root of 25022 is about 29.2487519861.

Adding to 25022 its reverse (22052), we get a palindrome (47074).

It can be divided in two parts, 250 and 22, that added together give a palindrome (272).

The spelling of 25022 in words is "twenty-five thousand, twenty-two".