1166664422 has 64 divisors (see below), whose sum is σ = 2237760000. Its totient is φ = 452219040.

The previous prime is 1166664419. The next prime is 1166664431. The reversal of 1166664422 is 2244666611.

It is a super-2 number, since 2×1166664422² = 2722211747121188168, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2633333 + ... + 2633775.

It is an arithmetic number, because the mean of its divisors is an integer number (34965000).

Almost surely, 2^1166664422 is an apocalyptic number.

1166664422 is a deficient number, since it is larger than the sum of its proper divisors (1071095578).

1166664422 is a wasteful number, since it uses less digits than its factorization.

1166664422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826 (or 812 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 1166664422 is about 34156.4696946274. The cubic root of 1166664422 is about 1052.7259244603.

The spelling of 1166664422 in words is "one billion, one hundred sixty-six million, six hundred sixty-four thousand, four hundred twenty-two".