225645430 has 8 divisors (see below), whose sum is σ = 406161792. Its totient is φ = 90258168.

The previous prime is 225645419. The next prime is 225645517. The reversal of 225645430 is 34546522.

225645430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 225645392 and 225645401.

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, 11282262 + ... + 11282281.

It is an arithmetic number, because the mean of its divisors is an integer number (50770224).

Almost surely, 2^225645430 is an apocalyptic number.

225645430 is a deficient number, since it is larger than the sum of its proper divisors (180516362).

225645430 is a wasteful number, since it uses less digits than its factorization.

225645430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22564550.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 225645430 is about 15021.4989265386. The cubic root of 225645430 is about 608.8012199930.

The spelling of 225645430 in words is "two hundred twenty-five million, six hundred forty-five thousand, four hundred thirty".