220882666 has 32 divisors (see below), whose sum is σ = 359640000. Its totient is φ = 101359872.

The previous prime is 220882663. The next prime is 220882679. The reversal of 220882666 is 666288022.

It is not an unprimeable number, because it can be changed into a prime (220882663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298525 + ... + 299263.

It is an arithmetic number, because the mean of its divisors is an integer number (11238750).

Almost surely, 2^220882666 is an apocalyptic number.

220882666 is a deficient number, since it is larger than the sum of its proper divisors (138757334).

220882666 is a wasteful number, since it uses less digits than its factorization.

220882666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 220882666 is about 14862.1218538942. The cubic root of 220882666 is about 604.4873429606.

The spelling of 220882666 in words is "two hundred twenty million, eight hundred eighty-two thousand, six hundred sixty-six".