225030406 has 4 divisors (see below), whose sum is σ = 337545612. Its totient is φ = 112515202.

The previous prime is 225030371. The next prime is 225030419. The reversal of 225030406 is 604030522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56257600 + ... + 56257603.

It is an arithmetic number, because the mean of its divisors is an integer number (84386403).

Almost surely, 2^225030406 is an apocalyptic number.

225030406 is a deficient number, since it is larger than the sum of its proper divisors (112515206).

225030406 is a wasteful number, since it uses less digits than its factorization.

225030406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112515205.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 225030406 is about 15001.0134990940. The cubic root of 225030406 is about 608.2475961653.

Adding to 225030406 its reverse (604030522), we get a palindrome (829060928).

The spelling of 225030406 in words is "two hundred twenty-five million, thirty thousand, four hundred six".