22212093666 has 48 divisors (see below), whose sum is σ = 51714405504. Its totient is φ = 6341733216.

The previous prime is 22212093643. The next prime is 22212093667. The reversal of 22212093666 is 66639021222.

It is not an unprimeable number, because it can be changed into a prime (22212093667) 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 23 ways as a sum of consecutive naturals, for example, 391816 + ... + 444908.

It is an arithmetic number, because the mean of its divisors is an integer number (1077383448).

Almost surely, 2^22212093666 is an apocalyptic number.

22212093666 is an abundant number, since it is smaller than the sum of its proper divisors (29502311838).

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

22212093666 is a wasteful number, since it uses less digits than its factorization.

22212093666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54535 (or 54528 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The spelling of 22212093666 in words is "twenty-two billion, two hundred twelve million, ninety-three thousand, six hundred sixty-six".