216822063 has 32 divisors (see below), whose sum is σ = 317096640. Its totient is φ = 131235840.

The previous prime is 216822061. The next prime is 216822077. The reversal of 216822063 is 360228612.

It is not a de Polignac number, because 216822063 - 2¹ = 216822061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 216822063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216822061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202293 + ... + 203361.

It is an arithmetic number, because the mean of its divisors is an integer number (9909270).

Almost surely, 2^216822063 is an apocalyptic number.

216822063 is a deficient number, since it is larger than the sum of its proper divisors (100274577).

216822063 is a wasteful number, since it uses less digits than its factorization.

216822063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 216822063 is about 14724.8790487392. The cubic root of 216822063 is about 600.7602058494.

The spelling of 216822063 in words is "two hundred sixteen million, eight hundred twenty-two thousand, sixty-three".