25195224 has 64 divisors (see below), whose sum is σ = 68536800. Its totient is φ = 7686144.

The previous prime is 25195213. The next prime is 25195249. The reversal of 25195224 is 42259152.

It is a junction number, because it is equal to n+sod(n) for n = 25195191 and 25195200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14262 + ... + 15930.

Almost surely, 2^25195224 is an apocalyptic number.

25195224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25195224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34268400).

25195224 is an abundant number, since it is smaller than the sum of its proper divisors (43341576).

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

25195224 is a wasteful number, since it uses less digits than its factorization.

25195224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732 (or 1728 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 25195224 is about 5019.4844356766. The cubic root of 25195224 is about 293.1609191105.

The spelling of 25195224 in words is "twenty-five million, one hundred ninety-five thousand, two hundred twenty-four".