216826882 has 8 divisors (see below), whose sum is σ = 334030716. Its totient is φ = 105483312.

The previous prime is 216826867. The next prime is 216826889. The reversal of 216826882 is 288628612.

It can be written as a sum of positive squares in 2 ways, for example, as 198499921 + 18326961 = 14089^2 + 4281^2 .

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 (216826889) 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, 1464973 + ... + 1465120.

Almost surely, 2^216826882 is an apocalyptic number.

216826882 is a deficient number, since it is larger than the sum of its proper divisors (117203834).

216826882 is a wasteful number, since it uses less digits than its factorization.

216826882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2930132.

The product of its digits is 147456, while the sum is 43.

The square root of 216826882 is about 14725.0426824509. The cubic root of 216826882 is about 600.7646565681.

The spelling of 216826882 in words is "two hundred sixteen million, eight hundred twenty-six thousand, eight hundred eighty-two".