2216245770 has 96 divisors (see below), whose sum is σ = 5844009600. Its totient is φ = 582671232.

The previous prime is 2216245729. The next prime is 2216245777. The reversal of 2216245770 is 775426122.

It is a happy number.

2216245770 is a `hidden beast` number, since 2 + 21 + 62 + 4 + 577 + 0 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2216245777) by changing a digit.

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 in 47 ways as a sum of consecutive naturals, for example, 2579601 + ... + 2580459.

It is an arithmetic number, because the mean of its divisors is an integer number (60875100).

Almost surely, 2^2216245770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2216245770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2922004800).

2216245770 is an abundant number, since it is smaller than the sum of its proper divisors (3627763830).

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

2216245770 is a wasteful number, since it uses less digits than its factorization.

2216245770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244 (or 1241 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 2216245770 is about 47077.0195530686. The cubic root of 2216245770 is about 1303.7849791154.

The spelling of 2216245770 in words is "two billion, two hundred sixteen million, two hundred forty-five thousand, seven hundred seventy".