216017223 has 8 divisors (see below), whose sum is σ = 288169200. Its totient is φ = 143938368.

The previous prime is 216017209. The next prime is 216017227. The reversal of 216017223 is 322710612.

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

It is not a de Polignac number, because 216017223 - 2⁶ = 216017159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 216017193 and 216017202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216017227) 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, 10968 + ... + 23501.

It is an arithmetic number, because the mean of its divisors is an integer number (36021150).

Almost surely, 2^216017223 is an apocalyptic number.

216017223 is a deficient number, since it is larger than the sum of its proper divisors (72151977).

216017223 is a wasteful number, since it uses less digits than its factorization.

216017223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36561.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 216017223 is about 14697.5243833783. The cubic root of 216017223 is about 600.0159467984.

Adding to 216017223 its reverse (322710612), we get a palindrome (538727835).

The spelling of 216017223 in words is "two hundred sixteen million, seventeen thousand, two hundred twenty-three".