223216163 has 4 divisors (see below), whose sum is σ = 224638080. Its totient is φ = 221794248.

The previous prime is 223216121. The next prime is 223216187. The reversal of 223216163 is 361612322.

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 223216163 - 2⁶ = 223216099 is a prime.

It is a super-3 number, since 3×223216163³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223216663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 710723 + ... + 711036.

It is an arithmetic number, because the mean of its divisors is an integer number (56159520).

Almost surely, 2^223216163 is an apocalyptic number.

223216163 is a deficient number, since it is larger than the sum of its proper divisors (1421917).

223216163 is a wasteful number, since it uses less digits than its factorization.

223216163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421916.

The product of its digits is 2592, while the sum is 26.

The square root of 223216163 is about 14940.4204425444. The cubic root of 223216163 is about 606.6085763657.

Adding to 223216163 its reverse (361612322), we get a palindrome (584828485).

The spelling of 223216163 in words is "two hundred twenty-three million, two hundred sixteen thousand, one hundred sixty-three".