225565832 has 8 divisors (see below), whose sum is σ = 422935950. Its totient is φ = 112782912.

The previous prime is 225565817. The next prime is 225565849. The reversal of 225565832 is 238565522.

225565832 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 190826596 + 34739236 = 13814^2 + 5894^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14097857 + ... + 14097872.

Almost surely, 2^225565832 is an apocalyptic number.

It is an amenable number.

225565832 is a deficient number, since it is larger than the sum of its proper divisors (197370118).

225565832 is a wasteful number, since it uses less digits than its factorization.

225565832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28195735 (or 28195731 counting only the distinct ones).

The product of its digits is 144000, while the sum is 38.

The square root of 225565832 is about 15018.8492235590. The cubic root of 225565832 is about 608.7296252810.

The spelling of 225565832 in words is "two hundred twenty-five million, five hundred sixty-five thousand, eight hundred thirty-two".