112222220 has 24 divisors (see below), whose sum is σ = 257091408. Its totient is φ = 40808000.

The previous prime is 112222183. The next prime is 112222247. The reversal of 112222220 is 22222211.

It is a junction number, because it is equal to n+sod(n) for n = 112222195 and 112222204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254831 + ... + 255270.

It is an arithmetic number, because the mean of its divisors is an integer number (10712142).

Almost surely, 2^112222220 is an apocalyptic number.

112222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112222220 is an abundant number, since it is smaller than the sum of its proper divisors (144869188).

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

112222220 is a wasteful number, since it uses less digits than its factorization.

112222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510121 (or 510119 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 112222220 is about 10593.4989498277. The cubic root of 112222220 is about 482.3470409223.

Adding to 112222220 its reverse (22222211), we get a palindrome (134444431).

Subtracting from 112222220 its reverse (22222211), we obtain a palindrome (90000009).

It can be divided in two parts, 1 and 12222220, that added together give a palindrome (12222221).

The spelling of 112222220 in words is "one hundred twelve million, two hundred twenty-two thousand, two hundred twenty".