225931564288 has 18 divisors (see below), whose sum is σ = 450980583914. Its totient is φ = 112965782016.

The previous prime is 225931564253. The next prime is 225931564303. The reversal of 225931564288 is 882465139522.

It can be written as a sum of positive squares in only one way, i.e., 125792227584 + 100139336704 = 354672^2 + 316448^2 .

It is a super-3 number, since 3×225931564288³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 441272331 + ... + 441272842.

Almost surely, 2^225931564288 is an apocalyptic number.

It is an amenable number.

225931564288 is a deficient number, since it is larger than the sum of its proper divisors (225049019626).

225931564288 is an frugal number, since it uses more digits than its factorization.

225931564288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882545189 (or 882545175 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 55.

The spelling of 225931564288 in words is "two hundred twenty-five billion, nine hundred thirty-one million, five hundred sixty-four thousand, two hundred eighty-eight".