25115922 has 48 divisors (see below), whose sum is σ = 59026968. Its totient is φ = 7672320.

The previous prime is 25115899. The next prime is 25115939. The reversal of 25115922 is 22951152.

It can be written as a sum of positive squares in 4 ways, for example, as 10439361 + 14676561 = 3231^2 + 3831^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42058 + ... + 42650.

Almost surely, 2^25115922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25115922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29513484).

25115922 is an abundant number, since it is smaller than the sum of its proper divisors (33911046).

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

25115922 is a wasteful number, since it uses less digits than its factorization.

25115922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795 (or 792 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 25115922 is about 5011.5787931549. The cubic root of 25115922 is about 292.8530210575.

The spelling of 25115922 in words is "twenty-five million, one hundred fifteen thousand, nine hundred twenty-two".