225523132 has 12 divisors (see below), whose sum is σ = 403844056. Its totient is φ = 110139120.

The previous prime is 225523127. The next prime is 225523147. The reversal of 225523132 is 231325522.

225523132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 225523097 and 225523106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655419 + ... + 655762.

Almost surely, 2^225523132 is an apocalyptic number.

It is an amenable number.

225523132 is a deficient number, since it is larger than the sum of its proper divisors (178320924).

225523132 is a wasteful number, since it uses less digits than its factorization.

225523132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311228 (or 1311226 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 225523132 is about 15017.4276092812. The cubic root of 225523132 is about 608.6912116686.

Adding to 225523132 its reverse (231325522), we get a palindrome (456848654).

The spelling of 225523132 in words is "two hundred twenty-five million, five hundred twenty-three thousand, one hundred thirty-two".