2218108830 has 256 divisors, whose sum is σ = 6920017920. Its totient is φ = 442810368.

The previous prime is 2218108817. The next prime is 2218108831. The reversal of 2218108830 is 388018122.

2218108830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2218108791 and 2218108800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2218108831) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3594682 + ... + 3595298.

It is an arithmetic number, because the mean of its divisors is an integer number (27031320).

Almost surely, 2^2218108830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2218108830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3460008960).

2218108830 is an abundant number, since it is smaller than the sum of its proper divisors (4701909090).

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

2218108830 is a wasteful number, since it uses less digits than its factorization.

2218108830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723.

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 2218108830 is about 47096.8027577244. The cubic root of 2218108830 is about 1304.1502137762.

The spelling of 2218108830 in words is "two billion, two hundred eighteen million, one hundred eight thousand, eight hundred thirty".