216230205 has 8 divisors (see below), whose sum is σ = 345968352. Its totient is φ = 115322768.

The previous prime is 216230197. The next prime is 216230213. The reversal of 216230205 is 502032612.

It is an interprime number because it is at equal distance from previous prime (216230197) and next prime (216230213).

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 216230205 - 2³ = 216230197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7207659 + ... + 7207688.

It is an arithmetic number, because the mean of its divisors is an integer number (43246044).

Almost surely, 2^216230205 is an apocalyptic number.

It is an amenable number.

216230205 is a deficient number, since it is larger than the sum of its proper divisors (129738147).

216230205 is a wasteful number, since it uses less digits than its factorization.

216230205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14415355.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 216230205 is about 14704.7681042579. The cubic root of 216230205 is about 600.2130770991.

Adding to 216230205 its reverse (502032612), we get a palindrome (718262817).

The spelling of 216230205 in words is "two hundred sixteen million, two hundred thirty thousand, two hundred five".