225471606866944 has 33 divisors (see below), whose sum is σ = 450723987156181. Its totient is φ = 112735563182080.

The previous prime is 225471606866941. The next prime is 225471606866953. The reversal of 225471606866944 is 449668606174522.

The square root of 225471606866944 is 15015712.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 225440855737344 + 30751129600 = 15014688^2 + 175360^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225471606866941) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 480268164 + ... + 480737404.

Almost surely, 2^{225471606866944} is an apocalyptic number.

225471606866944 is the 15015712-nd square number.

It is an amenable number.

225471606866944 is a deficient number, since it is larger than the sum of its proper divisors (225252380289237).

225471606866944 is an frugal number, since it uses more digits than its factorization.

225471606866944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938502 (or 469243 counting only the distinct ones).

The product of its (nonzero) digits is 836075520, while the sum is 70.

The spelling of 225471606866944 in words is "two hundred twenty-five trillion, four hundred seventy-one billion, six hundred six million, eight hundred sixty-six thousand, nine hundred forty-four".