220122112 has 132 divisors (see below), whose sum is σ = 529255944. Its totient is φ = 91176960.

The previous prime is 220122101. The next prime is 220122131. The reversal of 220122112 is 211221022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220122092 and 220122101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2057163 + ... + 2057269.

Almost surely, 2^220122112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220122112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264627972).

220122112 is an abundant number, since it is smaller than the sum of its proper divisors (309133832).

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

220122112 is a wasteful number, since it uses less digits than its factorization.

220122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 220122112 is about 14836.5127978242. The cubic root of 220122112 is about 603.7927449957.

Adding to 220122112 its reverse (211221022), we get a palindrome (431343134).

The spelling of 220122112 in words is "two hundred twenty million, one hundred twenty-two thousand, one hundred twelve".