225806312 has 16 divisors (see below), whose sum is σ = 425606400. Its totient is φ = 112311280.

The previous prime is 225806303. The next prime is 225806327. The reversal of 225806312 is 213608522.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72362 + ... + 75417.

It is an arithmetic number, because the mean of its divisors is an integer number (26600400).

Almost surely, 2^225806312 is an apocalyptic number.

It is an amenable number.

225806312 is a deficient number, since it is larger than the sum of its proper divisors (199800088).

225806312 is a wasteful number, since it uses less digits than its factorization.

225806312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147976 (or 147972 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 225806312 is about 15026.8530304918. The cubic root of 225806312 is about 608.9458745059.

The spelling of 225806312 in words is "two hundred twenty-five million, eight hundred six thousand, three hundred twelve".