22220122112 has 24 divisors (see below), whose sum is σ = 44429398650. Its totient is φ = 11110060032.

The previous prime is 22220122097. The next prime is 22220122163. The reversal of 22220122112 is 21122102222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 14117241856 + 8102880256 = 118816^2 + 90016^2 .

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 as a sum of consecutive naturals, namely, 5422787 + ... + 5426882.

Almost surely, 2^22220122112 is an apocalyptic number.

It is an amenable number.

22220122112 is a deficient number, since it is larger than the sum of its proper divisors (22209276538).

22220122112 is an equidigital number, since it uses as much as digits as its factorization.

22220122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10849691 (or 10849671 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22220122112 its reverse (21122102222), we get a palindrome (43342224334).

The spelling of 22220122112 in words is "twenty-two billion, two hundred twenty million, one hundred twenty-two thousand, one hundred twelve".