25422426 has 12 divisors (see below), whose sum is σ = 55081962. Its totient is φ = 8474136.

The previous prime is 25422379. The next prime is 25422427. The reversal of 25422426 is 62422452.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17214201 + 8208225 = 4149^2 + 2865^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25422426.

It is not an unprimeable number, because it can be changed into a prime (25422427) by changing a digit.

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, 706161 + ... + 706196.

Almost surely, 2^25422426 is an apocalyptic number.

25422426 is an abundant number, since it is smaller than the sum of its proper divisors (29659536).

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

25422426 is a wasteful number, since it uses less digits than its factorization.

25422426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412365 (or 1412362 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 25422426 is about 5042.0656481248. The cubic root of 25422426 is about 294.0394921265.

Adding to 25422426 its reverse (62422452), we get a palindrome (87844878).

The spelling of 25422426 in words is "twenty-five million, four hundred twenty-two thousand, four hundred twenty-six".