25473228 has 24 divisors (see below), whose sum is σ = 64841280. Its totient is φ = 7719120.

The previous prime is 25473221. The next prime is 25473233. The reversal of 25473228 is 82237452.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (25473221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96358 + ... + 96621.

It is an arithmetic number, because the mean of its divisors is an integer number (2701720).

Almost surely, 2^25473228 is an apocalyptic number.

It is an amenable number.

25473228 is an abundant number, since it is smaller than the sum of its proper divisors (39368052).

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

25473228 is a wasteful number, since it uses less digits than its factorization.

25473228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192997 (or 192995 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 25473228 is about 5047.1009500504. The cubic root of 25473228 is about 294.2352229244.

It can be divided in two parts, 2547 and 3228, that added together give a palindrome (5775).

The spelling of 25473228 in words is "twenty-five million, four hundred seventy-three thousand, two hundred twenty-eight".