2185032216 has 16 divisors (see below), whose sum is σ = 5462580600. Its totient is φ = 728344064.

The previous prime is 2185032191. The next prime is 2185032217. The reversal of 2185032216 is 6122305812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2185032217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45521481 + ... + 45521528.

Almost surely, 2^2185032216 is an apocalyptic number.

It is an amenable number.

2185032216 is an abundant number, since it is smaller than the sum of its proper divisors (3277548384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2185032216 is a wasteful number, since it uses less digits than its factorization.

2185032216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91043018 (or 91043014 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2185032216 is about 46744.3281693084. The cubic root of 2185032216 is about 1297.6351911585.

The spelling of 2185032216 in words is "two billion, one hundred eighty-five million, thirty-two thousand, two hundred sixteen".