2218269161 has 8 divisors (see below), whose sum is σ = 2242240704. Its totient is φ = 2194337200.

The previous prime is 2218269149. The next prime is 2218269217. The reversal of 2218269161 is 1619628122.

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

It is a cyclic number.

It is not a de Polignac number, because 2218269161 - 2³⁰ = 1144527337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2218269121) 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 7 ways as a sum of consecutive naturals, for example, 110636 + ... + 129138.

It is an arithmetic number, because the mean of its divisors is an integer number (280280088).

Almost surely, 2^2218269161 is an apocalyptic number.

It is an amenable number.

2218269161 is a deficient number, since it is larger than the sum of its proper divisors (23971543).

2218269161 is a wasteful number, since it uses less digits than its factorization.

2218269161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19791.

The product of its digits is 20736, while the sum is 38.

The square root of 2218269161 is about 47098.5048701124. The cubic root of 2218269161 is about 1304.1816355393.

The spelling of 2218269161 in words is "two billion, two hundred eighteen million, two hundred sixty-nine thousand, one hundred sixty-one".