112233220 has 48 divisors (see below), whose sum is σ = 259713216. Its totient is φ = 40400000.

The previous prime is 112233217. The next prime is 112233223. The reversal of 112233220 is 22332211.

112233220 = T₁₄₄₀ + T₁₄₄₁ + ... + T₁₅₄₀.

It is an interprime number because it is at equal distance from previous prime (112233217) and next prime (112233223).

It is a junction number, because it is equal to n+sod(n) for n = 112233194 and 112233203.

It is not an unprimeable number, because it can be changed into a prime (112233223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19695 + ... + 24745.

It is an arithmetic number, because the mean of its divisors is an integer number (5410692).

Almost surely, 2^112233220 is an apocalyptic number.

112233220 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 112233220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129856608).

112233220 is an abundant number, since it is smaller than the sum of its proper divisors (147479996).

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

112233220 is a wasteful number, since it uses less digits than its factorization.

112233220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5172 (or 5170 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 112233220 is about 10594.0181234506. The cubic root of 112233220 is about 482.3628002616.

Adding to 112233220 its reverse (22332211), we get a palindrome (134565431).

It can be divided in two parts, 112 and 233220, that added together give a palindrome (233332).

The spelling of 112233220 in words is "one hundred twelve million, two hundred thirty-three thousand, two hundred twenty".