2189322838 has 16 divisors (see below), whose sum is σ = 3378929904. Its totient is φ = 1063248640.

The previous prime is 2189322803. The next prime is 2189322841. The reversal of 2189322838 is 8382239812.

2189322838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40195 + ... + 77422.

It is an arithmetic number, because the mean of its divisors is an integer number (211183119).

Almost surely, 2^2189322838 is an apocalyptic number.

2189322838 is a deficient number, since it is larger than the sum of its proper divisors (1189607066).

2189322838 is a wasteful number, since it uses less digits than its factorization.

2189322838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117887.

The product of its digits is 331776, while the sum is 46.

The square root of 2189322838 is about 46790.2002346645. The cubic root of 2189322838 is about 1298.4839996611.

The spelling of 2189322838 in words is "two billion, one hundred eighty-nine million, three hundred twenty-two thousand, eight hundred thirty-eight".