225424466 has 8 divisors (see below), whose sum is σ = 339453180. Its totient is φ = 112273408.

The previous prime is 225424457. The next prime is 225424469. The reversal of 225424466 is 664424522.

It can be written as a sum of positive squares in 2 ways, for example, as 185368225 + 40056241 = 13615^2 + 6329^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (225424469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218771 + ... + 219798.

Almost surely, 2^225424466 is an apocalyptic number.

225424466 is a deficient number, since it is larger than the sum of its proper divisors (114028714).

225424466 is a wasteful number, since it uses less digits than its factorization.

225424466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438828.

The product of its digits is 92160, while the sum is 35.

The square root of 225424466 is about 15014.1421999394. The cubic root of 225424466 is about 608.6024315850.

Adding to 225424466 its reverse (664424522), we get a palindrome (889848988).

The spelling of 225424466 in words is "two hundred twenty-five million, four hundred twenty-four thousand, four hundred sixty-six".