25022255 has 4 divisors (see below), whose sum is σ = 30026712. Its totient is φ = 20017800.

The previous prime is 25022233. The next prime is 25022267. The reversal of 25022255 is 55222052.

It is a happy number.

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

It is not a de Polignac number, because 25022255 - 2¹⁰ = 25021231 is a prime.

It is a super-2 number, since 2×25022255² = 1252226490570050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25022255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2502221 + ... + 2502230.

It is an arithmetic number, because the mean of its divisors is an integer number (7506678).

Almost surely, 2^25022255 is an apocalyptic number.

25022255 is a deficient number, since it is larger than the sum of its proper divisors (5004457).

25022255 is an equidigital number, since it uses as much as digits as its factorization.

25022255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5004456.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 25022255 is about 5002.2250049353. The cubic root of 25022255 is about 292.4885134409.

The spelling of 25022255 in words is "twenty-five million, twenty-two thousand, two hundred fifty-five".