2201220112 has 160 divisors (see below), whose sum is σ = 5614140672. Its totient is φ = 811302912.

The previous prime is 2201220079. The next prime is 2201220121. The reversal of 2201220112 is 2110221022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 2201220092 and 2201220101.

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 31 ways as a sum of consecutive naturals, for example, 2796583 + ... + 2797369.

Almost surely, 2^2201220112 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 2201220112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2807070336).

2201220112 is an abundant number, since it is smaller than the sum of its proper divisors (3412920560).

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

2201220112 is a wasteful number, since it uses less digits than its factorization.

2201220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945 (or 939 counting only the distinct ones).

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

The square root of 2201220112 is about 46917.1622330251. The cubic root of 2201220112 is about 1300.8318368461.

Adding to 2201220112 its reverse (2110221022), we get a palindrome (4311441134).

It can be divided in two parts, 22012 and 20112, that added together give a palindrome (42124).

The spelling of 2201220112 in words is "two billion, two hundred one million, two hundred twenty thousand, one hundred twelve".