2218358832 has 160 divisors (see below), whose sum is σ = 6666001920. Its totient is φ = 630558720.

The previous prime is 2218358827. The next prime is 2218358843. The reversal of 2218358832 is 2388538122.

It is a super-2 number, since 2×2218358832² = 9842231815024808448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 353482 + ... + 359702.

It is an arithmetic number, because the mean of its divisors is an integer number (41662512).

Almost surely, 2^2218358832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2218358832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3333000960).

2218358832 is an abundant number, since it is smaller than the sum of its proper divisors (4447643088).

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

2218358832 is a wasteful number, since it uses less digits than its factorization.

2218358832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6291 (or 6285 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 2218358832 is about 47099.4568121544. The cubic root of 2218358832 is about 1304.1992086540.

The spelling of 2218358832 in words is "two billion, two hundred eighteen million, three hundred fifty-eight thousand, eight hundred thirty-two".