216822201 has 8 divisors (see below), whose sum is σ = 289164480. Its totient is φ = 144514032.

The previous prime is 216822187. The next prime is 216822217. The reversal of 216822201 is 102228612.

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

It is not a de Polignac number, because 216822201 - 2¹³ = 216814009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216422201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19051 + ... + 28223.

It is an arithmetic number, because the mean of its divisors is an integer number (36145560).

Almost surely, 2^216822201 is an apocalyptic number.

It is an amenable number.

216822201 is a deficient number, since it is larger than the sum of its proper divisors (72342279).

216822201 is an equidigital number, since it uses as much as digits as its factorization.

216822201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17055.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 216822201 is about 14724.8837346853. The cubic root of 216822201 is about 600.7603333040.

The spelling of 216822201 in words is "two hundred sixteen million, eight hundred twenty-two thousand, two hundred one".