112220 has 24 divisors (see below), whose sum is σ = 244608. Its totient is φ = 43200.

The previous prime is 112213. The next prime is 112223. The reversal of 112220 is 22211.

It is a junction number, because it is equal to n+sod(n) for n = 112198 and 112207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530 + ... + 710.

It is an arithmetic number, because the mean of its divisors is an integer number (10192).

2¹¹²²²⁰ is an apocalyptic number.

112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122304).

112220 is an abundant number, since it is smaller than the sum of its proper divisors (132388).

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

112220 is a wasteful number, since it uses less digits than its factorization.

112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 112220 is about 334.9925372303. The cubic root of 112220 is about 48.2343860276.

Adding to 112220 its reverse (22211), we get a palindrome (134431).

Subtracting from 112220 its reverse (22211), we obtain a palindrome (90009).

It can be divided in two parts, 1 and 12220, that added together give a palindrome (12221).

The spelling of 112220 in words is "one hundred twelve thousand, two hundred twenty", and thus it is an iban number.