1222166701066 has 16 divisors (see below), whose sum is σ = 1930318516800. Its totient is φ = 578746582848.

The previous prime is 1222166701061. The next prime is 1222166701159. The reversal of 1222166701066 is 6601076612221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1222166701061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4719055 + ... + 4971298.

It is an arithmetic number, because the mean of its divisors is an integer number (120644907300).

Almost surely, 2^{1222166701066} is an apocalyptic number.

1222166701066 is a deficient number, since it is larger than the sum of its proper divisors (708151815734).

1222166701066 is a wasteful number, since it uses less digits than its factorization.

1222166701066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9693693.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 1222166701066 in words is "one trillion, two hundred twenty-two billion, one hundred sixty-six million, seven hundred one thousand, sixty-six".