225703155 has 16 divisors (see below), whose sum is σ = 369933984. Its totient is φ = 117438720.

The previous prime is 225703141. The next prime is 225703183. The reversal of 225703155 is 551307522.

It is not a de Polignac number, because 225703155 - 2⁵ = 225703123 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182884 + ... + 184113.

It is an arithmetic number, because the mean of its divisors is an integer number (23120874).

Almost surely, 2^225703155 is an apocalyptic number.

225703155 is a deficient number, since it is larger than the sum of its proper divisors (144230829).

225703155 is a wasteful number, since it uses less digits than its factorization.

225703155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367046.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 225703155 is about 15023.4202164487. The cubic root of 225703155 is about 608.8531304233.

The spelling of 225703155 in words is "two hundred twenty-five million, seven hundred three thousand, one hundred fifty-five".