22220112002 has 32 divisors (see below), whose sum is σ = 36581186304. Its totient is φ = 10038758400.

The previous prime is 22220111989. The next prime is 22220112007. The reversal of 22220112002 is 20021102222.

It is not an unprimeable number, because it can be changed into a prime (22220112007) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7942868 + ... + 7945664.

It is an arithmetic number, because the mean of its divisors is an integer number (1143162072).

Almost surely, 2^22220112002 is an apocalyptic number.

22220112002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22220112002 is a deficient number, since it is larger than the sum of its proper divisors (14361074302).

22220112002 is a wasteful number, since it uses less digits than its factorization.

22220112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4874.

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

Adding to 22220112002 its reverse (20021102222), we get a palindrome (42241214224).

The spelling of 22220112002 in words is "twenty-two billion, two hundred twenty million, one hundred twelve thousand, two".