225603423255 has 24 divisors (see below), whose sum is σ = 419898617712. Its totient is φ = 103132993152.

The previous prime is 225603423193. The next prime is 225603423263. The reversal of 225603423255 is 552324306522.

It is not a de Polignac number, because 225603423255 - 2¹¹ = 225603421207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153470982 + ... + 153472451.

It is an arithmetic number, because the mean of its divisors is an integer number (17495775738).

Almost surely, 2^225603423255 is an apocalyptic number.

225603423255 is a deficient number, since it is larger than the sum of its proper divisors (194295194457).

225603423255 is a wasteful number, since it uses less digits than its factorization.

225603423255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306943455 (or 306943448 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 39.

Adding to 225603423255 its reverse (552324306522), we get a palindrome (777927729777).

The spelling of 225603423255 in words is "two hundred twenty-five billion, six hundred three million, four hundred twenty-three thousand, two hundred fifty-five".