2216332066 has 16 divisors (see below), whose sum is σ = 3581706744. Its totient is φ = 1022500224.

The previous prime is 2216332009. The next prime is 2216332081. The reversal of 2216332066 is 6602336122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1461456441 + 754875625 = 38229^2 + 27475^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 51756 + ... + 84328.

Almost surely, 2^2216332066 is an apocalyptic number.

2216332066 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2216332066 is a deficient number, since it is larger than the sum of its proper divisors (1365374678).

2216332066 is a wasteful number, since it uses less digits than its factorization.

2216332066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35205.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 2216332066 is about 47077.9360847521. The cubic root of 2216332066 is about 1303.8019011208.

Adding to 2216332066 its reverse (6602336122), we get a palindrome (8818668188).

The spelling of 2216332066 in words is "two billion, two hundred sixteen million, three hundred thirty-two thousand, sixty-six".