225205132 has 6 divisors (see below), whose sum is σ = 394108988. Its totient is φ = 112602564.

The previous prime is 225205117. The next prime is 225205133. The reversal of 225205132 is 231502522.

225205132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (225205133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28150638 + ... + 28150645.

Almost surely, 2^225205132 is an apocalyptic number.

It is an amenable number.

225205132 is a deficient number, since it is larger than the sum of its proper divisors (168903856).

225205132 is a wasteful number, since it uses less digits than its factorization.

225205132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56301287 (or 56301285 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 225205132 is about 15006.8361755568. The cubic root of 225205132 is about 608.4049810819.

Adding to 225205132 its reverse (231502522), we get a palindrome (456707654).

The spelling of 225205132 in words is "two hundred twenty-five million, two hundred five thousand, one hundred thirty-two".