2243625186 has 64 divisors (see below), whose sum is σ = 5067878400. Its totient is φ = 656030400.

The previous prime is 2243625179. The next prime is 2243625187. The reversal of 2243625186 is 6815263422.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2243625187) 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 31 ways as a sum of consecutive naturals, for example, 794485 + ... + 797303.

It is an arithmetic number, because the mean of its divisors is an integer number (79185600).

Almost surely, 2^2243625186 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2243625186, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2533939200).

2243625186 is an abundant number, since it is smaller than the sum of its proper divisors (2824253214).

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

2243625186 is a wasteful number, since it uses less digits than its factorization.

2243625186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3255.

The product of its digits is 138240, while the sum is 39.

The square root of 2243625186 is about 47366.9207992244. The cubic root of 2243625186 is about 1309.1319902942.

The spelling of 2243625186 in words is "two billion, two hundred forty-three million, six hundred twenty-five thousand, one hundred eighty-six".