225504132 has 48 divisors (see below), whose sum is σ = 602176512. Its totient is φ = 64340640.

The previous prime is 225504131. The next prime is 225504151. The reversal of 225504132 is 231405522.

225504132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×225504132² = 101704227098146848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225504131) 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, 81207 + ... + 83937.

It is an arithmetic number, because the mean of its divisors is an integer number (12545344).

Almost surely, 2^225504132 is an apocalyptic number.

It is an amenable number.

225504132 is an abundant number, since it is smaller than the sum of its proper divisors (376672380).

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

225504132 is a wasteful number, since it uses less digits than its factorization.

225504132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3728 (or 3726 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 225504132 is about 15016.7949976019. The cubic root of 225504132 is about 608.6741174017.

Adding to 225504132 its reverse (231405522), we get a palindrome (456909654).

The spelling of 225504132 in words is "two hundred twenty-five million, five hundred four thousand, one hundred thirty-two".