25345422 has 12 divisors (see below), whose sum is σ = 54915120. Its totient is φ = 8448468.

The previous prime is 25345417. The next prime is 25345451. The reversal of 25345422 is 22454352.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 704022 + ... + 704057.

It is an arithmetic number, because the mean of its divisors is an integer number (4576260).

Almost surely, 2^25345422 is an apocalyptic number.

25345422 is an abundant number, since it is smaller than the sum of its proper divisors (29569698).

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

25345422 is a wasteful number, since it uses less digits than its factorization.

25345422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408087 (or 1408084 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 25345422 is about 5034.4237008818. The cubic root of 25345422 is about 293.7423120366.

Adding to 25345422 its reverse (22454352), we get a palindrome (47799774).

The spelling of 25345422 in words is "twenty-five million, three hundred forty-five thousand, four hundred twenty-two".