112213220 has 48 divisors (see below), whose sum is σ = 269982720. Its totient is φ = 38377344.

The previous prime is 112213217. The next prime is 112213237. The reversal of 112213220 is 22312211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 112213195 and 112213204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77261 + ... + 78699.

It is an arithmetic number, because the mean of its divisors is an integer number (5624640).

Almost surely, 2^112213220 is an apocalyptic number.

112213220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112213220 is an abundant number, since it is smaller than the sum of its proper divisors (157769500).

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

112213220 is a wasteful number, since it uses less digits than its factorization.

112213220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012 (or 2010 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 112213220 is about 10593.0741524828. The cubic root of 112213220 is about 482.3341461515.

Adding to 112213220 its reverse (22312211), we get a palindrome (134525431).

It can be divided in two parts, 11221 and 3220, that added together give a palindrome (14441).

The spelling of 112213220 in words is "one hundred twelve million, two hundred thirteen thousand, two hundred twenty".