2213911432 has 8 divisors (see below), whose sum is σ = 4151083950. Its totient is φ = 1106955712.

The previous prime is 2213911409. The next prime is 2213911433. The reversal of 2213911432 is 2341193122.

It is a happy number.

2213911432 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 only one way, i.e., 1897996356 + 315915076 = 43566^2 + 17774^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2213911432.

It is not an unprimeable number, because it can be changed into a prime (2213911433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138369457 + ... + 138369472.

Almost surely, 2^2213911432 is an apocalyptic number.

It is an amenable number.

2213911432 is a deficient number, since it is larger than the sum of its proper divisors (1937172518).

2213911432 is a wasteful number, since it uses less digits than its factorization.

2213911432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276738935 (or 276738931 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 2213911432 is about 47052.2202664231. The cubic root of 2213911432 is about 1303.3270660031.

The spelling of 2213911432 in words is "two billion, two hundred thirteen million, nine hundred eleven thousand, four hundred thirty-two".