225185528 has 8 divisors (see below), whose sum is σ = 422222880. Its totient is φ = 112592760.

The previous prime is 225185497. The next prime is 225185531. The reversal of 225185528 is 825581522.

225185528 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 225185491 and 225185500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14074088 + ... + 14074103.

It is an arithmetic number, because the mean of its divisors is an integer number (52777860).

Almost surely, 2^225185528 is an apocalyptic number.

It is an amenable number.

225185528 is a deficient number, since it is larger than the sum of its proper divisors (197037352).

225185528 is a wasteful number, since it uses less digits than its factorization.

225185528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28148197 (or 28148193 counting only the distinct ones).

The product of its digits is 64000, while the sum is 38.

The square root of 225185528 is about 15006.1829923535. The cubic root of 225185528 is about 608.3873267812.

The spelling of 225185528 in words is "two hundred twenty-five million, one hundred eighty-five thousand, five hundred twenty-eight".