225895812 has 24 divisors (see below), whose sum is σ = 527452800. Its totient is φ = 75246816.

The previous prime is 225895781. The next prime is 225895823. The reversal of 225895812 is 218598522.

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, 14389 + ... + 25667.

It is an arithmetic number, because the mean of its divisors is an integer number (21977200).

Almost surely, 2^225895812 is an apocalyptic number.

It is an amenable number.

225895812 is an abundant number, since it is smaller than the sum of its proper divisors (301556988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225895812 is a wasteful number, since it uses less digits than its factorization.

225895812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12955 (or 12953 counting only the distinct ones).

The product of its digits is 115200, while the sum is 42.

The square root of 225895812 is about 15029.8307375699. The cubic root of 225895812 is about 609.0263172775.

The spelling of 225895812 in words is "two hundred twenty-five million, eight hundred ninety-five thousand, eight hundred twelve".