112232220 has 48 divisors (see below), whose sum is σ = 314821248. Its totient is φ = 29874240.

The previous prime is 112232209. The next prime is 112232227. The reversal of 112232220 is 22232211.

It is a happy number.

It is a super-2 number, since 2×112232220² = 25192142412256800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 112232220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112232227) 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, 40107 + ... + 42813.

It is an arithmetic number, because the mean of its divisors is an integer number (6558776).

Almost surely, 2^112232220 is an apocalyptic number.

112232220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112232220 is an abundant number, since it is smaller than the sum of its proper divisors (202589028).

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

112232220 is a wasteful number, since it uses less digits than its factorization.

112232220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410 (or 3408 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 112232220 is about 10593.9709268999. The cubic root of 112232220 is about 482.3613676369.

Adding to 112232220 its reverse (22232211), we get a palindrome (134464431).

Subtracting from 112232220 its reverse (22232211), we obtain a palindrome (90000009).

The spelling of 112232220 in words is "one hundred twelve million, two hundred thirty-two thousand, two hundred twenty".