25135422 has 16 divisors (see below), whose sum is σ = 54138000. Its totient is φ = 7733952.

The previous prime is 25135417. The next prime is 25135441. The reversal of 25135422 is 22453152.

It is a junction number, because it is equal to n+sod(n) for n = 25135392 and 25135401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161047 + ... + 161202.

It is an arithmetic number, because the mean of its divisors is an integer number (3383625).

Almost surely, 2^25135422 is an apocalyptic number.

25135422 is an abundant number, since it is smaller than the sum of its proper divisors (29002578).

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

25135422 is a wasteful number, since it uses less digits than its factorization.

25135422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322267.

The product of its digits is 2400, while the sum is 24.

The square root of 25135422 is about 5013.5239103848. The cubic root of 25135422 is about 292.9287918061.

Adding to 25135422 its reverse (22453152), we get a palindrome (47588574).

The spelling of 25135422 in words is "twenty-five million, one hundred thirty-five thousand, four hundred twenty-two".