2218280604 has 12 divisors (see below), whose sum is σ = 5175988104. Its totient is φ = 739426864.

The previous prime is 2218280551. The next prime is 2218280611. The reversal of 2218280604 is 4060828122.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92428347 + ... + 92428370.

It is an arithmetic number, because the mean of its divisors is an integer number (431332342).

Almost surely, 2^2218280604 is an apocalyptic number.

It is an amenable number.

2218280604 is an abundant number, since it is smaller than the sum of its proper divisors (2957707500).

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

2218280604 is a wasteful number, since it uses less digits than its factorization.

2218280604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184856724 (or 184856722 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 2218280604 is about 47098.6263493958. The cubic root of 2218280604 is about 1304.1838780872.

The spelling of 2218280604 in words is "two billion, two hundred eighteen million, two hundred eighty thousand, six hundred four".