225995912 has 8 divisors (see below), whose sum is σ = 423742350. Its totient is φ = 112997952.

The previous prime is 225995897. The next prime is 225995929. The reversal of 225995912 is 219599522.

It can be written as a sum of positive squares in only one way, i.e., 220641316 + 5354596 = 14854^2 + 2314^2 .

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

It is an unprimeable number.

It is a 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, 14124737 + ... + 14124752.

Almost surely, 2^225995912 is an apocalyptic number.

It is an amenable number.

225995912 is a deficient number, since it is larger than the sum of its proper divisors (197746438).

225995912 is a wasteful number, since it uses less digits than its factorization.

225995912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28249495 (or 28249491 counting only the distinct ones).

The product of its digits is 145800, while the sum is 44.

The square root of 225995912 is about 15033.1604129005. The cubic root of 225995912 is about 609.1162621821.

The spelling of 225995912 in words is "two hundred twenty-five million, nine hundred ninety-five thousand, nine hundred twelve".