216022346 has 8 divisors (see below), whose sum is σ = 324095904. Its totient is φ = 107990380.

The previous prime is 216022327. The next prime is 216022351. The reversal of 216022346 is 643220612.

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

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, 14861 + ... + 25551.

It is an arithmetic number, because the mean of its divisors is an integer number (40511988).

Almost surely, 2^216022346 is an apocalyptic number.

216022346 is a deficient number, since it is larger than the sum of its proper divisors (108073558).

216022346 is a wasteful number, since it uses less digits than its factorization.

216022346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20796.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 216022346 is about 14697.6986633963. The cubic root of 216022346 is about 600.0206900273.

Adding to 216022346 its reverse (643220612), we get a palindrome (859242958).

The spelling of 216022346 in words is "two hundred sixteen million, twenty-two thousand, three hundred forty-six".