220663216 has 10 divisors (see below), whose sum is σ = 427535012. Its totient is φ = 110331600.

The previous prime is 220663181. The next prime is 220663231. The reversal of 220663216 is 612366022.

It is a happy number.

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 as a sum of consecutive naturals, namely, 6895710 + ... + 6895741.

Almost surely, 2^220663216 is an apocalyptic number.

It is an amenable number.

220663216 is a deficient number, since it is larger than the sum of its proper divisors (206871796).

220663216 is a wasteful number, since it uses less digits than its factorization.

220663216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13791459 (or 13791453 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 220663216 is about 14854.7371568803. The cubic root of 220663216 is about 604.2870877670.

The spelling of 220663216 in words is "two hundred twenty million, six hundred sixty-three thousand, two hundred sixteen".