2212288218 has 48 divisors (see below), whose sum is σ = 5766371520. Its totient is φ = 598814208.

The previous prime is 2212288213. The next prime is 2212288223. The reversal of 2212288218 is 8128822122.

It is an interprime number because it is at equal distance from previous prime (2212288213) and next prime (2212288223).

It is not an unprimeable number, because it can be changed into a prime (2212288213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 459655 + ... + 464442.

It is an arithmetic number, because the mean of its divisors is an integer number (120132740).

Almost surely, 2^2212288218 is an apocalyptic number.

2212288218 is an abundant number, since it is smaller than the sum of its proper divisors (3554083302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2212288218 is a wasteful number, since it uses less digits than its factorization.

2212288218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924131 (or 924128 counting only the distinct ones).

The product of its digits is 16384, while the sum is 36.

The square root of 2212288218 is about 47034.9680344316. The cubic root of 2212288218 is about 1303.0084600644.

The spelling of 2212288218 in words is "two billion, two hundred twelve million, two hundred eighty-eight thousand, two hundred eighteen".