216424201 has 8 divisors (see below), whose sum is σ = 248638464. Its totient is φ = 184534080.

The previous prime is 216424189. The next prime is 216424249. The reversal of 216424201 is 102424612.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 216424201 - 2¹¹ = 216422153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216424001) 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, 79600 + ... + 82273.

It is an arithmetic number, because the mean of its divisors is an integer number (31079808).

Almost surely, 2^216424201 is an apocalyptic number.

It is an amenable number.

216424201 is a deficient number, since it is larger than the sum of its proper divisors (32214263).

216424201 is a wasteful number, since it uses less digits than its factorization.

216424201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162071.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 216424201 is about 14711.3629891999. The cubic root of 216424201 is about 600.3925218587.

Adding to 216424201 its reverse (102424612), we get a palindrome (318848813).

The spelling of 216424201 in words is "two hundred sixteen million, four hundred twenty-four thousand, two hundred one".