25435422 has 12 divisors (see below), whose sum is σ = 55110120. Its totient is φ = 8478468.

The previous prime is 25435409. The next prime is 25435427. The reversal of 25435422 is 22453452.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25435427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 706522 + ... + 706557.

It is an arithmetic number, because the mean of its divisors is an integer number (4592510).

Almost surely, 2^25435422 is an apocalyptic number.

25435422 is an abundant number, since it is smaller than the sum of its proper divisors (29674698).

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

25435422 is a wasteful number, since it uses less digits than its factorization.

25435422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413087 (or 1413084 counting only the distinct ones).

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

The square root of 25435422 is about 5043.3542409789. The cubic root of 25435422 is about 294.0895881358.

Adding to 25435422 its reverse (22453452), we get a palindrome (47888874).

The spelling of 25435422 in words is "twenty-five million, four hundred thirty-five thousand, four hundred twenty-two".