216452222223 has 4 divisors (see below), whose sum is σ = 288602962968. Its totient is φ = 144301481480.

The previous prime is 216452222221. The next prime is 216452222251. The reversal of 216452222223 is 322222254612.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 216452222223 - 2¹ = 216452222221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216452222221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36075370368 + ... + 36075370373.

It is an arithmetic number, because the mean of its divisors is an integer number (72150740742).

Almost surely, 2^216452222223 is an apocalyptic number.

216452222223 is a deficient number, since it is larger than the sum of its proper divisors (72150740745).

216452222223 is an equidigital number, since it uses as much as digits as its factorization.

216452222223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72150740744.

The product of its digits is 46080, while the sum is 33.

Adding to 216452222223 its reverse (322222254612), we get a palindrome (538674476835).

The spelling of 216452222223 in words is "two hundred sixteen billion, four hundred fifty-two million, two hundred twenty-two thousand, two hundred twenty-three".