225412402 has 8 divisors (see below), whose sum is σ = 340587036. Its totient is φ = 111883392.

The previous prime is 225412379. The next prime is 225412403. The reversal of 225412402 is 204214522.

It can be written as a sum of positive squares in 2 ways, for example, as 219365721 + 6046681 = 14811^2 + 2459^2 .

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

It is not an unprimeable number, because it can be changed into a prime (225412403) 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, 411063 + ... + 411610.

Almost surely, 2^225412402 is an apocalyptic number.

225412402 is a deficient number, since it is larger than the sum of its proper divisors (115174634).

225412402 is a wasteful number, since it uses less digits than its factorization.

225412402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822812.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 225412402 is about 15013.7404400103. The cubic root of 225412402 is about 608.5915745696.

Adding to 225412402 its reverse (204214522), we get a palindrome (429626924).

The spelling of 225412402 in words is "two hundred twenty-five million, four hundred twelve thousand, four hundred two".