225149996 has 12 divisors (see below), whose sum is σ = 394659552. Its totient is φ = 112390128.

The previous prime is 225149987. The next prime is 225149999. The reversal of 225149996 is 699941522.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 225149996.

It is not an unprimeable number, because it can be changed into a prime (225149999) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 43460 + ... + 48363.

It is an arithmetic number, because the mean of its divisors is an integer number (32888296).

Almost surely, 2^225149996 is an apocalyptic number.

It is an amenable number.

225149996 is a deficient number, since it is larger than the sum of its proper divisors (169509556).

225149996 is a wasteful number, since it uses less digits than its factorization.

225149996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92440 (or 92438 counting only the distinct ones).

The product of its digits is 349920, while the sum is 47.

The square root of 225149996 is about 15004.9990336554. Note that the first 3 decimals coincide. The cubic root of 225149996 is about 608.3553259746.

The spelling of 225149996 in words is "two hundred twenty-five million, one hundred forty-nine thousand, nine hundred ninety-six".