8166770222 has 16 divisors (see below), whose sum is σ = 13196720880. Its totient is φ = 3768065472.

The previous prime is 8166770113. The next prime is 8166770251. The reversal of 8166770222 is 2220776618.

It is a super-2 number, since 2×8166770222² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8166770222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34493 + ... + 132375.

It is an arithmetic number, because the mean of its divisors is an integer number (824795055).

Almost surely, 2^8166770222 is an apocalyptic number.

8166770222 is a deficient number, since it is larger than the sum of its proper divisors (5029950658).

8166770222 is a wasteful number, since it uses less digits than its factorization.

8166770222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101107.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 8166770222 is about 90370.1843640921. The cubic root of 8166770222 is about 2013.8020510892.

The spelling of 8166770222 in words is "eight billion, one hundred sixty-six million, seven hundred seventy thousand, two hundred twenty-two".