2216380244 has 18 divisors (see below), whose sum is σ = 4199976270. Its totient is φ = 1022944416.

The previous prime is 2216380241. The next prime is 2216380249. The reversal of 2216380244 is 4420836122.

It can be written as a sum of positive squares in 3 ways, for example, as 149768644 + 2066611600 = 12238^2 + 45460^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2216380244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216380241) 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 5 ways as a sum of consecutive naturals, for example, 1638659 + ... + 1640010.

It is an arithmetic number, because the mean of its divisors is an integer number (233332015).

Almost surely, 2^2216380244 is an apocalyptic number.

It is an amenable number.

2216380244 is a deficient number, since it is larger than the sum of its proper divisors (1983596026).

2216380244 is a wasteful number, since it uses less digits than its factorization.

2216380244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3278699 (or 3278684 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 2216380244 is about 47078.4477654054. The cubic root of 2216380244 is about 1303.8113482780.

The spelling of 2216380244 in words is "two billion, two hundred sixteen million, three hundred eighty thousand, two hundred forty-four".