225753528 has 128 divisors (see below), whose sum is σ = 757854720. Its totient is φ = 54120960.

The previous prime is 225753527. The next prime is 225753551. The reversal of 225753528 is 825357522.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225753527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19326 + ... + 28722.

It is an arithmetic number, because the mean of its divisors is an integer number (5920740).

Almost surely, 2^225753528 is an apocalyptic number.

225753528 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 225753528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378927360).

225753528 is an abundant number, since it is smaller than the sum of its proper divisors (532101192).

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

225753528 is a wasteful number, since it uses less digits than its factorization.

225753528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9437 (or 9433 counting only the distinct ones).

The product of its digits is 168000, while the sum is 39.

The square root of 225753528 is about 15025.0966053467. The cubic root of 225753528 is about 608.8984221803.

The spelling of 225753528 in words is "two hundred twenty-five million, seven hundred fifty-three thousand, five hundred twenty-eight".