225453132 has 30 divisors (see below), whose sum is σ = 589379868. Its totient is φ = 75150936.

The previous prime is 225453131. The next prime is 225453139. The reversal of 225453132 is 231354522.

It is a happy number.

It is a super-2 number, since 2×225453132² = 101658229457218848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 225453096 and 225453105.

It is not an unprimeable number, because it can be changed into a prime (225453131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 347598 + ... + 348245.

Almost surely, 2^225453132 is an apocalyptic number.

It is an amenable number.

225453132 is an abundant number, since it is smaller than the sum of its proper divisors (363926736).

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

225453132 is a wasteful number, since it uses less digits than its factorization.

225453132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695859 (or 695848 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 225453132 is about 15015.0968028848. The cubic root of 225453132 is about 608.6282280423.

The spelling of 225453132 in words is "two hundred twenty-five million, four hundred fifty-three thousand, one hundred thirty-two".