25895220 has 48 divisors (see below), whose sum is σ = 78086400. Its totient is φ = 6374016.

The previous prime is 25895213. The next prime is 25895237. The reversal of 25895220 is 2259852.

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, 15820 + ... + 17379.

It is an arithmetic number, because the mean of its divisors is an integer number (1626800).

Almost surely, 2^25895220 is an apocalyptic number.

25895220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25895220 is an abundant number, since it is smaller than the sum of its proper divisors (52191180).

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

25895220 is a wasteful number, since it uses less digits than its factorization.

25895220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33224 (or 33222 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 25895220 is about 5088.7346167785. The cubic root of 25895220 is about 295.8511090732.

The spelling of 25895220 in words is "twenty-five million, eight hundred ninety-five thousand, two hundred twenty".