216281302 has 8 divisors (see below), whose sum is σ = 328528800. Its totient is φ = 106771704.

The previous prime is 216281279. The next prime is 216281339. The reversal of 216281302 is 203182612.

216281302 is digitally balanced in base 3, 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 a congruent 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 in 3 ways as a sum of consecutive naturals, for example, 684277 + ... + 684592.

It is an arithmetic number, because the mean of its divisors is an integer number (41066100).

Almost surely, 2^216281302 is an apocalyptic number.

216281302 is a deficient number, since it is larger than the sum of its proper divisors (112247498).

216281302 is a wasteful number, since it uses less digits than its factorization.

216281302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368950.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 216281302 is about 14706.5054312709. The cubic root of 216281302 is about 600.2603518267.

The spelling of 216281302 in words is "two hundred sixteen million, two hundred eighty-one thousand, three hundred two".