2217165112 has 32 divisors (see below), whose sum is σ = 4240388880. Its totient is φ = 1086442240.

The previous prime is 2217165107. The next prime is 2217165121. The reversal of 2217165112 is 2115617122.

It is a super-2 number, since 2×2217165112² = 9831642267739945088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460188 + ... + 464980.

Almost surely, 2^2217165112 is an apocalyptic number.

It is an amenable number.

2217165112 is a deficient number, since it is larger than the sum of its proper divisors (2023223768).

2217165112 is a wasteful number, since it uses less digits than its factorization.

2217165112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5943 (or 5939 counting only the distinct ones).

The product of its digits is 1680, while the sum is 28.

The square root of 2217165112 is about 47086.7827739377. The cubic root of 2217165112 is about 1303.9652326786.

The spelling of 2217165112 in words is "two billion, two hundred seventeen million, one hundred sixty-five thousand, one hundred twelve".