25311422 has 16 divisors (see below), whose sum is σ = 39132720. Its totient is φ = 12272832.

The previous prime is 25311421. The next prime is 25311443. The reversal of 25311422 is 22411352.

It is a junction number, because it is equal to n+sod(n) for n = 25311394 and 25311403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25311421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8093 + ... + 10775.

It is an arithmetic number, because the mean of its divisors is an integer number (2445795).

Almost surely, 2^25311422 is an apocalyptic number.

25311422 is a deficient number, since it is larger than the sum of its proper divisors (13821298).

25311422 is a wasteful number, since it uses less digits than its factorization.

25311422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827.

The product of its digits is 480, while the sum is 20.

The square root of 25311422 is about 5031.0458157326. The cubic root of 25311422 is about 293.6109049027.

Adding to 25311422 its reverse (22411352), we get a palindrome (47722774).

The spelling of 25311422 in words is "twenty-five million, three hundred eleven thousand, four hundred twenty-two".