2216666122 has 16 divisors (see below), whose sum is σ = 3818181600. Its totient is φ = 954545040.

The previous prime is 2216666119. The next prime is 2216666267.

2216666122 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2651097 + ... + 2651932.

It is an arithmetic number, because the mean of its divisors is an integer number (238636350).

Almost surely, 2^2216666122 is an apocalyptic number.

2216666122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2216666122 is a deficient number, since it is larger than the sum of its proper divisors (1601515478).

2216666122 is a wasteful number, since it uses less digits than its factorization.

2216666122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5303061.

The product of its digits is 20736, while the sum is 34.

The square root of 2216666122 is about 47081.4838551208. The cubic root of 2216666122 is about 1303.8674028829.

It can be divided in two parts, 22166 and 66122, that added together give a palindrome (88288).

The spelling of 2216666122 in words is "two billion, two hundred sixteen million, six hundred sixty-six thousand, one hundred twenty-two".