25115228 has 6 divisors (see below), whose sum is σ = 43951656. Its totient is φ = 12557612.

The previous prime is 25115227. The next prime is 25115257. The reversal of 25115228 is 82251152.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 25115197 and 25115206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25115221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3139400 + ... + 3139407.

It is an arithmetic number, because the mean of its divisors is an integer number (7325276).

Almost surely, 2^25115228 is an apocalyptic number.

It is an amenable number.

25115228 is a deficient number, since it is larger than the sum of its proper divisors (18836428).

25115228 is a wasteful number, since it uses less digits than its factorization.

25115228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6278811 (or 6278809 counting only the distinct ones).

The product of its digits is 1600, while the sum is 26.

The square root of 25115228 is about 5011.5095530189. The cubic root of 25115228 is about 292.8503236734.

The spelling of 25115228 in words is "twenty-five million, one hundred fifteen thousand, two hundred twenty-eight".