2218480211 has 4 divisors (see below), whose sum is σ = 2222260152. Its totient is φ = 2214700272.

The previous prime is 2218480207. The next prime is 2218480219. The reversal of 2218480211 is 1120848122.

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 2218480211 - 2² = 2218480207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2218480219) 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, 1889090 + ... + 1890263.

It is an arithmetic number, because the mean of its divisors is an integer number (555565038).

Almost surely, 2^2218480211 is an apocalyptic number.

2218480211 is a deficient number, since it is larger than the sum of its proper divisors (3779941).

2218480211 is an equidigital number, since it uses as much as digits as its factorization.

2218480211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3779940.

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 2218480211 is about 47100.7453338055. The cubic root of 2218480211 is about 1304.2229949334. Note that the first 3 decimals are identical.

The spelling of 2218480211 in words is "two billion, two hundred eighteen million, four hundred eighty thousand, two hundred eleven".