2213717730 has 128 divisors (see below), whose sum is σ = 6451218432. Its totient is φ = 474590208.

The previous prime is 2213717729. The next prime is 2213717743. The reversal of 2213717730 is 377173122.

2213717730 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 = 2213717691 and 2213717700.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1237897 + ... + 1239683.

It is an arithmetic number, because the mean of its divisors is an integer number (50400144).

Almost surely, 2^2213717730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2213717730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3225609216).

2213717730 is an abundant number, since it is smaller than the sum of its proper divisors (4237500702).

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

2213717730 is a wasteful number, since it uses less digits than its factorization.

2213717730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168.

The product of its (nonzero) digits is 12348, while the sum is 33.

The square root of 2213717730 is about 47050.1618488183. The cubic root of 2213717730 is about 1303.2890541810.

The spelling of 2213717730 in words is "two billion, two hundred thirteen million, seven hundred seventeen thousand, seven hundred thirty".