220888982 has 16 divisors (see below), whose sum is σ = 335724480. Its totient is φ = 108987648.

The previous prime is 220888963. The next prime is 220889051. The reversal of 220888982 is 289888022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74003 + ... + 76929.

It is an arithmetic number, because the mean of its divisors is an integer number (20982780).

Almost surely, 2^220888982 is an apocalyptic number.

220888982 is a deficient number, since it is larger than the sum of its proper divisors (114835498).

220888982 is a wasteful number, since it uses less digits than its factorization.

220888982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3415.

The product of its (nonzero) digits is 294912, while the sum is 47.

The square root of 220888982 is about 14862.3343388581. The cubic root of 220888982 is about 604.4931045500.

The spelling of 220888982 in words is "two hundred twenty million, eight hundred eighty-eight thousand, nine hundred eighty-two".