25225422 has 8 divisors (see below), whose sum is σ = 50450856. Its totient is φ = 8408472.

The previous prime is 25225397. The next prime is 25225441. The reversal of 25225422 is 22452252.

It is a happy number.

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

25225422 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 25225392 and 25225401.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2102113 + ... + 2102124.

It is an arithmetic number, because the mean of its divisors is an integer number (6306357).

Almost surely, 2^25225422 is an apocalyptic number.

25225422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25225422 is a wasteful number, since it uses less digits than its factorization.

25225422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4204242.

The product of its digits is 3200, while the sum is 24.

The square root of 25225422 is about 5022.4916127357. The cubic root of 25225422 is about 293.2779960466.

Adding to 25225422 its reverse (22452252), we get a palindrome (47677674).

The spelling of 25225422 in words is "twenty-five million, two hundred twenty-five thousand, four hundred twenty-two".