2218386304 has 32 divisors (see below), whose sum is σ = 4679413200. Its totient is φ = 1043945472.

The previous prime is 2218386299. The next prime is 2218386307. The reversal of 2218386304 is 4036838122.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2218386307) 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, 507564 + ... + 511915.

Almost surely, 2^2218386304 is an apocalyptic number.

It is an amenable number.

2218386304 is an abundant number, since it is smaller than the sum of its proper divisors (2461026896).

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

2218386304 is a wasteful number, since it uses less digits than its factorization.

2218386304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019510 (or 1019498 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 2218386304 is about 47099.7484494344. The cubic root of 2218386304 is about 1304.2045923356.

The spelling of 2218386304 in words is "two billion, two hundred eighteen million, three hundred eighty-six thousand, three hundred four".