112244220 has 144 divisors (see below), whose sum is σ = 376451712. Its totient is φ = 26843520.

The previous prime is 112244213. The next prime is 112244221. The reversal of 112244220 is 22442211.

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

It is a junction number, because it is equal to n+sod(n) for n = 112244193 and 112244202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112244221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 163999 + ... + 164681.

It is an arithmetic number, because the mean of its divisors is an integer number (2614248).

Almost surely, 2^112244220 is an apocalyptic number.

112244220 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 112244220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188225856).

112244220 is an abundant number, since it is smaller than the sum of its proper divisors (264207492).

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

112244220 is a wasteful number, since it uses less digits than its factorization.

112244220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792 (or 787 counting only the distinct ones).

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

The square root of 112244220 is about 10594.5372716320. The cubic root of 112244220 is about 482.3785585711.

Adding to 112244220 its reverse (22442211), we get a palindrome (134686431).

It can be divided in two parts, 1 and 12244220, that added together give a palindrome (12244221).

The spelling of 112244220 in words is "one hundred twelve million, two hundred forty-four thousand, two hundred twenty".