229668216 has 16 divisors (see below), whose sum is σ = 574170600. Its totient is φ = 76556064.

The previous prime is 229668199. The next prime is 229668227. The reversal of 229668216 is 612866922.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4784731 + ... + 4784778.

Almost surely, 2^229668216 is an apocalyptic number.

It is an amenable number.

229668216 is an abundant number, since it is smaller than the sum of its proper divisors (344502384).

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

229668216 is a wasteful number, since it uses less digits than its factorization.

229668216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9569518 (or 9569514 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 229668216 is about 15154.8083458683. The cubic root of 229668216 is about 612.3978147454.

The spelling of 229668216 in words is "two hundred twenty-nine million, six hundred sixty-eight thousand, two hundred sixteen".