22112019973 has 4 divisors (see below), whose sum is σ = 22391919040. Its totient is φ = 21832120908.

The previous prime is 22112019967. The next prime is 22112019997. The reversal of 22112019973 is 37991021122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22112019973 - 2¹⁷ = 22111888901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112019173) 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 3 ways as a sum of consecutive naturals, for example, 139949415 + ... + 139949572.

It is an arithmetic number, because the mean of its divisors is an integer number (5597979760).

Almost surely, 2^22112019973 is an apocalyptic number.

It is an amenable number.

22112019973 is a deficient number, since it is larger than the sum of its proper divisors (279899067).

22112019973 is an equidigital number, since it uses as much as digits as its factorization.

22112019973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279899066.

The product of its (nonzero) digits is 13608, while the sum is 37.

The spelling of 22112019973 in words is "twenty-two billion, one hundred twelve million, nineteen thousand, nine hundred seventy-three".