22201222112 has 24 divisors (see below), whose sum is σ = 44261935200. Its totient is φ = 10960095744.

The previous prime is 22201222093. The next prime is 22201222157. The reversal of 22201222112 is 21122210222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4388537 + ... + 4393592.

It is an arithmetic number, because the mean of its divisors is an integer number (1844247300).

Almost surely, 2^22201222112 is an apocalyptic number.

It is an amenable number.

22201222112 is a deficient number, since it is larger than the sum of its proper divisors (22060713088).

22201222112 is an equidigital number, since it uses as much as digits as its factorization.

22201222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8782218 (or 8782210 counting only the distinct ones).

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

Adding to 22201222112 its reverse (21122210222), we get a palindrome (43323432334).

The spelling of 22201222112 in words is "twenty-two billion, two hundred one million, two hundred twenty-two thousand, one hundred twelve".