2221501163 has 8 divisors (see below), whose sum is σ = 2688203232. Its totient is φ = 1792135296.

The previous prime is 2221501141. The next prime is 2221501187. The reversal of 2221501163 is 3611051222.

2221501163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2221501163 - 2²⁰ = 2220452587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221504163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9333920 + ... + 9334157.

It is an arithmetic number, because the mean of its divisors is an integer number (336025404).

Almost surely, 2^2221501163 is an apocalyptic number.

2221501163 is a deficient number, since it is larger than the sum of its proper divisors (466702069).

2221501163 is a wasteful number, since it uses less digits than its factorization.

2221501163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18668101.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2221501163 is about 47132.8034706191. The cubic root of 2221501163 is about 1304.8147225502.

Adding to 2221501163 its reverse (3611051222), we get a palindrome (5832552385).

The spelling of 2221501163 in words is "two billion, two hundred twenty-one million, five hundred one thousand, one hundred sixty-three".