2185224066 has 48 divisors (see below), whose sum is σ = 5110896960. Its totient is φ = 672708960.

The previous prime is 2185223927. The next prime is 2185224127. The reversal of 2185224066 is 6604225812.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2185224066.

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 in 23 ways as a sum of consecutive naturals, for example, 79000 + ... + 103011.

It is an arithmetic number, because the mean of its divisors is an integer number (106477020).

Almost surely, 2^2185224066 is an apocalyptic number.

2185224066 is an abundant number, since it is smaller than the sum of its proper divisors (2925672894).

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

2185224066 is a wasteful number, since it uses less digits than its factorization.

2185224066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182071 (or 182068 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 2185224066 is about 46746.3802448917. The cubic root of 2185224066 is about 1297.6731683294.

Adding to 2185224066 its reverse (6604225812), we get a palindrome (8789449878).

The spelling of 2185224066 in words is "two billion, one hundred eighty-five million, two hundred twenty-four thousand, sixty-six".