225984996 has 18 divisors (see below), whose sum is σ = 571239942. Its totient is φ = 75328320.

The previous prime is 225984953. The next prime is 225985027. The reversal of 225984996 is 699489522.

It is a happy number.

225984996 is a `hidden beast` number, since 2 + 2 + 598 + 49 + 9 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 214329600 + 11655396 = 14640^2 + 3414^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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 in 5 ways as a sum of consecutive naturals, for example, 3138645 + ... + 3138716.

Almost surely, 2^225984996 is an apocalyptic number.

It is an amenable number.

225984996 is an abundant number, since it is smaller than the sum of its proper divisors (345254946).

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

225984996 is a wasteful number, since it uses less digits than its factorization.

225984996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6277371 (or 6277366 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 225984996 is about 15032.7973444732. The cubic root of 225984996 is about 609.1064548953.

The spelling of 225984996 in words is "two hundred twenty-five million, nine hundred eighty-four thousand, nine hundred ninety-six".