112218172 has 24 divisors (see below), whose sum is σ = 218281392. Its totient is φ = 50044800.

The previous prime is 112218167. The next prime is 112218221. The reversal of 112218172 is 271812211.

It is a happy number.

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, 21729 + ... + 26392.

It is an arithmetic number, because the mean of its divisors is an integer number (9095058).

Almost surely, 2^112218172 is an apocalyptic number.

It is an amenable number.

112218172 is a deficient number, since it is larger than the sum of its proper divisors (106063220).

112218172 is a wasteful number, since it uses less digits than its factorization.

112218172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48189 (or 48187 counting only the distinct ones).

The product of its digits is 448, while the sum is 25.

The square root of 112218172 is about 10593.3078875297. The cubic root of 112218172 is about 482.3412412263.

The spelling of 112218172 in words is "one hundred twelve million, two hundred eighteen thousand, one hundred seventy-two".