225231355 has 8 divisors (see below), whose sum is σ = 270925200. Its totient is φ = 179753376.

The previous prime is 225231343. The next prime is 225231401. The reversal of 225231355 is 553132522.

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 225231355 - 2⁹ = 225230843 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51660 + ... + 55849.

It is an arithmetic number, because the mean of its divisors is an integer number (33865650).

Almost surely, 2^225231355 is an apocalyptic number.

225231355 is a deficient number, since it is larger than the sum of its proper divisors (45693845).

225231355 is a wasteful number, since it uses less digits than its factorization.

225231355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107933.

The product of its digits is 9000, while the sum is 28.

The square root of 225231355 is about 15007.7098519394. The cubic root of 225231355 is about 608.4285944937.

Adding to 225231355 its reverse (553132522), we get a palindrome (778363877).

The spelling of 225231355 in words is "two hundred twenty-five million, two hundred thirty-one thousand, three hundred fifty-five".