22212021198 has 16 divisors (see below), whose sum is σ = 44509315536. Its totient is φ = 7389794880.

The previous prime is 22212021197. The next prime is 22212021229. The reversal of 22212021198 is 89112021222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212021197) 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, 3549661 + ... + 3555912.

It is an arithmetic number, because the mean of its divisors is an integer number (2781832221).

Almost surely, 2^22212021198 is an apocalyptic number.

22212021198 is an abundant number, since it is smaller than the sum of its proper divisors (22297294338).

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

22212021198 is a wasteful number, since it uses less digits than its factorization.

22212021198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7106099.

The product of its (nonzero) digits is 2304, while the sum is 30.

The spelling of 22212021198 in words is "twenty-two billion, two hundred twelve million, twenty-one thousand, one hundred ninety-eight".