225641332 has 12 divisors (see below), whose sum is σ = 451282720. Its totient is φ = 96703416.

The previous prime is 225641309. The next prime is 225641369. The reversal of 225641332 is 233146522.

225641332 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

225641332 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 8058619 = 225641332 / (2 + 2 + 5 + 6 + 4 + 1 + 3 + 3 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 225641332.

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, 4029282 + ... + 4029337.

Almost surely, 2^225641332 is an apocalyptic number.

It is an amenable number.

225641332 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

225641332 is a wasteful number, since it uses less digits than its factorization.

225641332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8058630 (or 8058628 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 225641332 is about 15021.3625214226. The cubic root of 225641332 is about 608.7975344431.

Adding to 225641332 its reverse (233146522), we get a palindrome (458787854).

The spelling of 225641332 in words is "two hundred twenty-five million, six hundred forty-one thousand, three hundred thirty-two".