225195812 has 24 divisors (see below), whose sum is σ = 402760512. Its totient is φ = 110146400.

The previous prime is 225195799. The next prime is 225195827. The reversal of 225195812 is 218591522.

225195812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34178 + ... + 40230.

It is an arithmetic number, because the mean of its divisors is an integer number (16781688).

Almost surely, 2^225195812 is an apocalyptic number.

It is an amenable number.

225195812 is a deficient number, since it is larger than the sum of its proper divisors (177564700).

225195812 is a wasteful number, since it uses less digits than its factorization.

225195812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6259 (or 6257 counting only the distinct ones).

The product of its digits is 14400, while the sum is 35.

The square root of 225195812 is about 15006.5256471976. The cubic root of 225195812 is about 608.3965881224.

The spelling of 225195812 in words is "two hundred twenty-five million, one hundred ninety-five thousand, eight hundred twelve".