112220244 has 36 divisors (see below), whose sum is σ = 285585300. Its totient is φ = 37153920.

The previous prime is 112220231. The next prime is 112220249. The reversal of 112220244 is 442022211.

It can be written as a sum of positive squares in 2 ways, for example, as 44355600 + 67864644 = 6660^2 + 8238^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112220249) 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 11 ways as a sum of consecutive naturals, for example, 5097 + ... + 15824.

It is an arithmetic number, because the mean of its divisors is an integer number (7932925).

Almost surely, 2^112220244 is an apocalyptic number.

It is an amenable number.

112220244 is an abundant number, since it is smaller than the sum of its proper divisors (173365056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112220244 is a wasteful number, since it uses less digits than its factorization.

112220244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21080 (or 21075 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 112220244 is about 10593.4056846701. The cubic root of 112220244 is about 482.3442098628.

Adding to 112220244 its reverse (442022211), we get a palindrome (554242455).

The spelling of 112220244 in words is "one hundred twelve million, two hundred twenty thousand, two hundred forty-four".