225430550 has 12 divisors (see below), whose sum is σ = 419300916. Its totient is φ = 90172200.

The previous prime is 225430549. The next prime is 225430561. The reversal of 225430550 is 55034522.

225430550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2254256 + ... + 2254355.

It is an arithmetic number, because the mean of its divisors is an integer number (34941743).

Almost surely, 2^225430550 is an apocalyptic number.

225430550 is a deficient number, since it is larger than the sum of its proper divisors (193870366).

225430550 is a wasteful number, since it uses less digits than its factorization.

225430550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4508623 (or 4508618 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 225430550 is about 15014.3448075499. The cubic root of 225430550 is about 608.6079067433.

The spelling of 225430550 in words is "two hundred twenty-five million, four hundred thirty thousand, five hundred fifty".