22002122112 has 64 divisors (see below), whose sum is σ = 58903449600. Its totient is φ = 7276276224.

The previous prime is 22002122083. The next prime is 22002122167. The reversal of 22002122112 is 21122120022.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 22002122091 and 22002122100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176812 + ... + 274347.

It is an arithmetic number, because the mean of its divisors is an integer number (920366400).

Almost surely, 2^22002122112 is an apocalyptic number.

It is an amenable number.

22002122112 is an abundant number, since it is smaller than the sum of its proper divisors (36901327488).

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

22002122112 is a wasteful number, since it uses less digits than its factorization.

22002122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451303 (or 451291 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22002122112 its reverse (21122120022), we get a palindrome (43124242134).

The spelling of 22002122112 in words is "twenty-two billion, two million, one hundred twenty-two thousand, one hundred twelve".