2213918882 has 42 divisors (see below), whose sum is σ = 3914706897. Its totient is φ = 939040704.

The previous prime is 2213918867. The next prime is 2213918921. The reversal of 2213918882 is 2888193122.

2213918882 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2208154081 + 5764801 = 46991^2 + 2401^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=33271.

It is a super-2 number, since 2×2213918882² = 9802873632152259848, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 22823858 + ... + 22823954.

Almost surely, 2^2213918882 is an apocalyptic number.

2213918882 is a deficient number, since it is larger than the sum of its proper divisors (1700788015).

2213918882 is an frugal number, since it uses more digits than its factorization.

2213918882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 106 counting only the distinct ones).

The product of its digits is 110592, while the sum is 44.

The square root of 2213918882 is about 47052.2994337152. The cubic root of 2213918882 is about 1303.3285279368.

The spelling of 2213918882 in words is "two billion, two hundred thirteen million, nine hundred eighteen thousand, eight hundred eighty-two".