2216180650 has 12 divisors (see below), whose sum is σ = 4122096102. Its totient is φ = 886472240.

The previous prime is 2216180623. The next prime is 2216180657. The reversal of 2216180650 is 560816122.

It can be written as a sum of positive squares in 3 ways, for example, as 1975713601 + 240467049 = 44449^2 + 15507^2 .

It is a super-2 number, since 2×2216180650² = 9822913346868845000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2216180657) 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, 22161757 + ... + 22161856.

Almost surely, 2^2216180650 is an apocalyptic number.

2216180650 is a deficient number, since it is larger than the sum of its proper divisors (1905915452).

2216180650 is a wasteful number, since it uses less digits than its factorization.

2216180650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44323625 (or 44323620 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 2216180650 is about 47076.3279154184. The cubic root of 2216180650 is about 1303.7722092758.

Adding to 2216180650 its reverse (560816122), we get a palindrome (2776996772).

The spelling of 2216180650 in words is "two billion, two hundred sixteen million, one hundred eighty thousand, six hundred fifty".