2218904288 has 12 divisors (see below), whose sum is σ = 4368467880. Its totient is φ = 1109452128.

The previous prime is 2218904279. The next prime is 2218904351. The reversal of 2218904288 is 8824098122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34670348 + ... + 34670411.

It is an arithmetic number, because the mean of its divisors is an integer number (364038990).

Almost surely, 2^2218904288 is an apocalyptic number.

It is an amenable number.

2218904288 is a deficient number, since it is larger than the sum of its proper divisors (2149563592).

2218904288 is an equidigital number, since it uses as much as digits as its factorization.

2218904288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69340769 (or 69340761 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 44.

The square root of 2218904288 is about 47105.2469264306. The cubic root of 2218904288 is about 1304.3060932235.

The spelling of 2218904288 in words is "two billion, two hundred eighteen million, nine hundred four thousand, two hundred eighty-eight".