2164223084 has 6 divisors (see below), whose sum is σ = 3787390404. Its totient is φ = 1082111540.

The previous prime is 2164223077. The next prime is 2164223123. The reversal of 2164223084 is 4803224612.

It is a self number, because there is not a number n which added to its sum of digits gives 2164223084.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270527882 + ... + 270527889.

It is an arithmetic number, because the mean of its divisors is an integer number (631231734).

Almost surely, 2^2164223084 is an apocalyptic number.

It is an amenable number.

2164223084 is a deficient number, since it is larger than the sum of its proper divisors (1623167320).

2164223084 is a wasteful number, since it uses less digits than its factorization.

2164223084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541055775 (or 541055773 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 2164223084 is about 46521.2111192303. The cubic root of 2164223084 is about 1293.5027062048.

Adding to 2164223084 its reverse (4803224612), we get a palindrome (6967447696).

The spelling of 2164223084 in words is "two billion, one hundred sixty-four million, two hundred twenty-three thousand, eighty-four".