225230405 has 8 divisors (see below), whose sum is σ = 270698112. Its totient is φ = 179903248.

The previous prime is 225230387. The next prime is 225230419. The reversal of 225230405 is 504032522.

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

It is a cyclic number.

It is not a de Polignac number, because 225230405 - 2²⁰ = 224181829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31577 + ... + 38046.

It is an arithmetic number, because the mean of its divisors is an integer number (33837264).

Almost surely, 2^225230405 is an apocalyptic number.

It is an amenable number.

225230405 is a deficient number, since it is larger than the sum of its proper divisors (45467707).

225230405 is an equidigital number, since it uses as much as digits as its factorization.

225230405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70275.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 225230405 is about 15007.6782015074. The cubic root of 225230405 is about 608.4277390652.

Adding to 225230405 its reverse (504032522), we get a palindrome (729262927).

The spelling of 225230405 in words is "two hundred twenty-five million, two hundred thirty thousand, four hundred five".