225489528 has 64 divisors (see below), whose sum is σ = 683308800. Its totient is φ = 68329440.

The previous prime is 225489521. The next prime is 225489601. The reversal of 225489528 is 825984522.

225489528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225489521) 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, 45076 + ... + 49827.

It is an arithmetic number, because the mean of its divisors is an integer number (10676700).

Almost surely, 2^225489528 is an apocalyptic number.

It is an amenable number.

225489528 is an abundant number, since it is smaller than the sum of its proper divisors (457819272).

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

225489528 is a wasteful number, since it uses less digits than its factorization.

225489528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94929 (or 94919 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 225489528 is about 15016.3087341730. The cubic root of 225489528 is about 608.6609775557.

The spelling of 225489528 in words is "two hundred twenty-five million, four hundred eighty-nine thousand, five hundred twenty-eight".