225443632 has 20 divisors (see below), whose sum is σ = 437701896. Its totient is φ = 112488320.

The previous prime is 225443629. The next prime is 225443639. The reversal of 225443632 is 236344522.

It is a junction number, because it is equal to n+sod(n) for n = 225443594 and 225443603.

It is not an unprimeable number, because it can be changed into a prime (225443639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6493 + ... + 22204.

Almost surely, 2^225443632 is an apocalyptic number.

It is an amenable number.

225443632 is a deficient number, since it is larger than the sum of its proper divisors (212258264).

225443632 is a wasteful number, since it uses less digits than its factorization.

225443632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29196 (or 29190 counting only the distinct ones).

The product of its digits is 34560, while the sum is 31.

The square root of 225443632 is about 15014.7804512753. The cubic root of 225443632 is about 608.6196792598.

The spelling of 225443632 in words is "two hundred twenty-five million, four hundred forty-three thousand, six hundred thirty-two".