1166172022 has 8 divisors (see below), whose sum is σ = 1759733136. Its totient is φ = 579594312.

The previous prime is 1166171977. The next prime is 1166172079. The reversal of 1166172022 is 2202716611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1745433 + ... + 1746100.

It is an arithmetic number, because the mean of its divisors is an integer number (219966642).

Almost surely, 2^1166172022 is an apocalyptic number.

1166172022 is a deficient number, since it is larger than the sum of its proper divisors (593561114).

1166172022 is a wasteful number, since it uses less digits than its factorization.

1166172022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491702.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1166172022 is about 34149.2609290450. The cubic root of 1166172022 is about 1052.5777998357.

Adding to 1166172022 its reverse (2202716611), we get a palindrome (3368888633).

The spelling of 1166172022 in words is "one billion, one hundred sixty-six million, one hundred seventy-two thousand, twenty-two".