22212109976 has 32 divisors (see below), whose sum is σ = 49666832640. Its totient is φ = 9105584928.

The previous prime is 22212109973. The next prime is 22212109979. The reversal of 22212109976 is 67990121222.

It is an interprime number because it is at equal distance from previous prime (22212109973) and next prime (22212109979).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212109973) by changing a digit.

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, 8621426 + ... + 8624001.

It is an arithmetic number, because the mean of its divisors is an integer number (1552088520).

Almost surely, 2^22212109976 is an apocalyptic number.

It is an amenable number.

22212109976 is an abundant number, since it is smaller than the sum of its proper divisors (27454722664).

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

22212109976 is a wasteful number, since it uses less digits than its factorization.

22212109976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17245463 (or 17245459 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 22212109976 in words is "twenty-two billion, two hundred twelve million, one hundred nine thousand, nine hundred seventy-six".