225720103605 has 32 divisors (see below), whose sum is σ = 369692843520. Its totient is φ = 117539311680.

The previous prime is 225720103591. The next prime is 225720103711. The reversal of 225720103605 is 506301027522.

It is not a de Polignac number, because 225720103605 - 2¹⁹ = 225719579317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1649250 + ... + 1780860.

It is an arithmetic number, because the mean of its divisors is an integer number (11552901360).

Almost surely, 2^225720103605 is an apocalyptic number.

It is an amenable number.

225720103605 is a deficient number, since it is larger than the sum of its proper divisors (143972739915).

225720103605 is a wasteful number, since it uses less digits than its factorization.

225720103605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134321.

The product of its (nonzero) digits is 25200, while the sum is 33.

The spelling of 225720103605 in words is "two hundred twenty-five billion, seven hundred twenty million, one hundred three thousand, six hundred five".