25395228 has 48 divisors (see below), whose sum is σ = 67253760. Its totient is φ = 8283312.

The previous prime is 25395217. The next prime is 25395233. The reversal of 25395228 is 82259352.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 25395192 and 25395201.

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, 2575 + ... + 7577.

It is an arithmetic number, because the mean of its divisors is an integer number (1401120).

Almost surely, 2^25395228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25395228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33626880).

25395228 is an abundant number, since it is smaller than the sum of its proper divisors (41858532).

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

25395228 is a wasteful number, since it uses less digits than its factorization.

25395228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5063 (or 5055 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 25395228 is about 5039.3678174946. The cubic root of 25395228 is about 293.9345960301.

It can be divided in two parts, 253 and 95228, that added together give a square (95481 = 309²).

The spelling of 25395228 in words is "twenty-five million, three hundred ninety-five thousand, two hundred twenty-eight".