216562882 has 8 divisors (see below), whose sum is σ = 326301696. Its totient is φ = 107795652.

The previous prime is 216562877. The next prime is 216562889. The reversal of 216562882 is 288265612.

216562882 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (216562889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242338 + ... + 243229.

It is an arithmetic number, because the mean of its divisors is an integer number (40787712).

Almost surely, 2^216562882 is an apocalyptic number.

216562882 is a deficient number, since it is larger than the sum of its proper divisors (109738814).

216562882 is a wasteful number, since it uses less digits than its factorization.

216562882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485792.

The product of its digits is 92160, while the sum is 40.

The square root of 216562882 is about 14716.0756317709. The cubic root of 216562882 is about 600.5207349648.

The spelling of 216562882 in words is "two hundred sixteen million, five hundred sixty-two thousand, eight hundred eighty-two".