1222166336228 has 12 divisors (see below), whose sum is σ = 2251359040560. Its totient is φ = 578920896072.

The previous prime is 1222166336207. The next prime is 1222166336233. The reversal of 1222166336228 is 8226336612221.

It is a super-3 number, since 3×1222166336228³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8040567926 + ... + 8040568077.

It is an arithmetic number, because the mean of its divisors is an integer number (187613253380).

Almost surely, 2^{1222166336228} is an apocalyptic number.

It is an amenable number.

1222166336228 is a deficient number, since it is larger than the sum of its proper divisors (1029192704332).

1222166336228 is a wasteful number, since it uses less digits than its factorization.

1222166336228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16081136026 (or 16081136024 counting only the distinct ones).

The product of its digits is 497664, while the sum is 44.

The spelling of 1222166336228 in words is "one trillion, two hundred twenty-two billion, one hundred sixty-six million, three hundred thirty-six thousand, two hundred twenty-eight".