2221116167 has 4 divisors (see below), whose sum is σ = 2237095560. Its totient is φ = 2205136776.

The previous prime is 2221116151. The next prime is 2221116193. The reversal of 2221116167 is 7616111222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7616111222 = 2 ⋅3808055611.

It is a cyclic number.

It is not a de Polignac number, because 2221116167 - 2⁴ = 2221116151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221116137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7989488 + ... + 7989765.

It is an arithmetic number, because the mean of its divisors is an integer number (559273890).

Almost surely, 2^2221116167 is an apocalyptic number.

2221116167 is a deficient number, since it is larger than the sum of its proper divisors (15979393).

2221116167 is a wasteful number, since it uses less digits than its factorization.

2221116167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15979392.

The product of its digits is 2016, while the sum is 29.

The square root of 2221116167 is about 47128.7191317566. The cubic root of 2221116167 is about 1304.7393414701.

Adding to 2221116167 its reverse (7616111222), we get a palindrome (9837227389).

The spelling of 2221116167 in words is "two billion, two hundred twenty-one million, one hundred sixteen thousand, one hundred sixty-seven".