225039528 has 96 divisors (see below), whose sum is σ = 701400960. Its totient is φ = 63849600.

The previous prime is 225039527. The next prime is 225039559. The reversal of 225039528 is 825930522.

225039528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 225039492 and 225039501.

It is not an unprimeable number, because it can be changed into a prime (225039527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74626 + ... + 77582.

It is an arithmetic number, because the mean of its divisors is an integer number (7306260).

Almost surely, 2^225039528 is an apocalyptic number.

225039528 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225039528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350700480).

225039528 is an abundant number, since it is smaller than the sum of its proper divisors (476361432).

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

225039528 is a wasteful number, since it uses less digits than its factorization.

225039528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127 (or 3120 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 225039528 is about 15001.3175421361. The cubic root of 225039528 is about 608.2558148467.

The spelling of 225039528 in words is "two hundred twenty-five million, thirty-nine thousand, five hundred twenty-eight".