1122666666 has 32 divisors (see below), whose sum is σ = 2450678976. Its totient is φ = 340032000.

The previous prime is 1122666641. The next prime is 1122666683. The reversal of 1122666666 is 6666662211.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

1122666666 is a modest number, since divided by 66666 gives 11226 as remainder.

It is a Curzon number.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209946 + ... + 215226.

It is an arithmetic number, because the mean of its divisors is an integer number (76583718).

Almost surely, 2^1122666666 is an apocalyptic number.

1122666666 is an abundant number, since it is smaller than the sum of its proper divisors (1328012310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122666666 is a wasteful number, since it uses less digits than its factorization.

1122666666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8518.

The product of its digits is 186624, while the sum is 42.

The square root of 1122666666 is about 33506.2183183958. The cubic root of 1122666666 is about 1039.3223723101.

The spelling of 1122666666 in words is "one billion, one hundred twenty-two million, six hundred sixty-six thousand, six hundred sixty-six".