2213920971 has 32 divisors (see below), whose sum is σ = 3312288000. Its totient is φ = 1461426624.

The previous prime is 2213920939. The next prime is 2213920981. The reversal of 2213920971 is 1790293122.

2213920971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2213920971 - 2⁵ = 2213920939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2213920981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2322631 + ... + 2323583.

It is an arithmetic number, because the mean of its divisors is an integer number (103509000).

Almost surely, 2^2213920971 is an apocalyptic number.

2213920971 is a deficient number, since it is larger than the sum of its proper divisors (1098367029).

2213920971 is a wasteful number, since it uses less digits than its factorization.

2213920971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720 (or 1714 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 2213920971 is about 47052.3216324126. The cubic root of 2213920971 is about 1303.3289378664.

The spelling of 2213920971 in words is "two billion, two hundred thirteen million, nine hundred twenty thousand, nine hundred seventy-one".