25583228 has 48 divisors (see below), whose sum is σ = 50803200. Its totient is φ = 11172480.

The previous prime is 25583227. The next prime is 25583279. The reversal of 25583228 is 82238552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25583227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183983 + ... + 184121.

It is an arithmetic number, because the mean of its divisors is an integer number (1058400).

Almost surely, 2^25583228 is an apocalyptic number.

It is an amenable number.

25583228 is a deficient number, since it is larger than the sum of its proper divisors (25219972).

25583228 is a wasteful number, since it uses less digits than its factorization.

25583228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 288 counting only the distinct ones).

The product of its digits is 38400, while the sum is 35.

The square root of 25583228 is about 5057.9865559331. The cubic root of 25583228 is about 294.6581427298.

It can be divided in two parts, 2558322 and 8, that multiplied together give a square (20466576 = 4524²).

The spelling of 25583228 in words is "twenty-five million, five hundred eighty-three thousand, two hundred twenty-eight".