225996668 has 24 divisors (see below), whose sum is σ = 403186560. Its totient is φ = 110810160.

The previous prime is 225996653. The next prime is 225996671. The reversal of 225996668 is 866699522.

It is a happy number.

It is a congruent number.

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, 122513 + ... + 124343.

It is an arithmetic number, because the mean of its divisors is an integer number (16799440).

Almost surely, 2^225996668 is an apocalyptic number.

It is an amenable number.

225996668 is a deficient number, since it is larger than the sum of its proper divisors (177189892).

225996668 is a wasteful number, since it uses less digits than its factorization.

225996668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417 (or 2415 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 53.

The square root of 225996668 is about 15033.1855572929. The cubic root of 225996668 is about 609.1169413852.

The spelling of 225996668 in words is "two hundred twenty-five million, nine hundred ninety-six thousand, six hundred sixty-eight".