112220689 has 8 divisors (see below), whose sum is σ = 135796608. Its totient is φ = 90530880.

The previous prime is 112220687. The next prime is 112220699. The reversal of 112220689 is 986022211.

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

It is a cyclic number.

It is not a de Polignac number, because 112220689 - 2¹ = 112220687 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112220689.

It is not an unprimeable number, because it can be changed into a prime (112220681) by changing a digit.

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, 471397 + ... + 471634.

It is an arithmetic number, because the mean of its divisors is an integer number (16974576).

Almost surely, 2^112220689 is an apocalyptic number.

It is an amenable number.

112220689 is a deficient number, since it is larger than the sum of its proper divisors (23575919).

112220689 is an equidigital number, since it uses as much as digits as its factorization.

112220689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943055.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 112220689 is about 10593.4266882817. The cubic root of 112220689 is about 482.3448474272.

The spelling of 112220689 in words is "one hundred twelve million, two hundred twenty thousand, six hundred eighty-nine".