222016163 has 4 divisors (see below), whose sum is σ = 222060600. Its totient is φ = 221971728.

The previous prime is 222016127. The next prime is 222016177. The reversal of 222016163 is 361610222.

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 222016163 - 2¹⁸ = 221754019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222016103) 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, 13613 + ... + 25086.

It is an arithmetic number, because the mean of its divisors is an integer number (55515150).

Almost surely, 2^222016163 is an apocalyptic number.

222016163 is a deficient number, since it is larger than the sum of its proper divisors (44437).

222016163 is an equidigital number, since it uses as much as digits as its factorization.

222016163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44436.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 222016163 is about 14900.2068106453. The cubic root of 222016163 is about 605.5195891528.

Adding to 222016163 its reverse (361610222), we get a palindrome (583626385).

The spelling of 222016163 in words is "two hundred twenty-two million, sixteen thousand, one hundred sixty-three".