2182320808 has 8 divisors (see below), whose sum is σ = 4091851530. Its totient is φ = 1091160400.

The previous prime is 2182320761. The next prime is 2182320853. The reversal of 2182320808 is 8080232812.

It can be written as a sum of positive squares in only one way, i.e., 2026620324 + 155700484 = 45018^2 + 12478^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136395043 + ... + 136395058.

Almost surely, 2^2182320808 is an apocalyptic number.

It is an amenable number.

2182320808 is a deficient number, since it is larger than the sum of its proper divisors (1909530722).

2182320808 is a wasteful number, since it uses less digits than its factorization.

2182320808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272790107 (or 272790103 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 2182320808 is about 46715.3166317001. The cubic root of 2182320808 is about 1297.0982235182.

The spelling of 2182320808 in words is "two billion, one hundred eighty-two million, three hundred twenty thousand, eight hundred eight".