16222116122 has 16 divisors (see below), whose sum is σ = 24438683880. Its totient is φ = 8075962368.

The previous prime is 16222116121. The next prime is 16222116143. The reversal of 16222116122 is 22161122261.

It can be written as a sum of positive squares in 4 ways, for example, as 15943860361 + 278255761 = 126269^2 + 16681^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16222116091 and 16222116100.

It is not an unprimeable number, because it can be changed into a prime (16222116121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430838 + ... + 466974.

Almost surely, 2^16222116122 is an apocalyptic number.

16222116122 is a deficient number, since it is larger than the sum of its proper divisors (8216567758).

16222116122 is a wasteful number, since it uses less digits than its factorization.

16222116122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37105.

The product of its digits is 1152, while the sum is 26.

Adding to 16222116122 its reverse (22161122261), we get a palindrome (38383238383).

The spelling of 16222116122 in words is "sixteen billion, two hundred twenty-two million, one hundred sixteen thousand, one hundred twenty-two".