22000022112 has 48 divisors (see below), whose sum is σ = 57758263920. Its totient is φ = 7332298752.

The previous prime is 22000022071. The next prime is 22000022117. The reversal of 22000022112 is 21122000022.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000022117) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 976608 + ... + 998880.

It is an arithmetic number, because the mean of its divisors is an integer number (1203297165).

Almost surely, 2^22000022112 is an apocalyptic number.

It is an amenable number.

22000022112 is an abundant number, since it is smaller than the sum of its proper divisors (35758241808).

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

22000022112 is a wasteful number, since it uses less digits than its factorization.

22000022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32575 (or 32567 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22000022112 its reverse (21122000022), we get a palindrome (43122022134).

The spelling of 22000022112 in words is "twenty-two billion, twenty-two thousand, one hundred twelve".