22196621923 has 4 divisors (see below), whose sum is σ = 25367567920. Its totient is φ = 19025675928.

The previous prime is 22196621903. The next prime is 22196621957. The reversal of 22196621923 is 32912669122.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22196621923 - 2³³ = 13606687331 is a prime.

It is a super-3 number, since 3×22196621923³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22196621923.

It is not an unprimeable number, because it can be changed into a prime (22196621903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1585472988 + ... + 1585473001.

It is an arithmetic number, because the mean of its divisors is an integer number (6341891980).

Almost surely, 2^22196621923 is an apocalyptic number.

22196621923 is a deficient number, since it is larger than the sum of its proper divisors (3170945997).

22196621923 is an equidigital number, since it uses as much as digits as its factorization.

22196621923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3170945996.

The product of its digits is 139968, while the sum is 43.

The spelling of 22196621923 in words is "twenty-two billion, one hundred ninety-six million, six hundred twenty-one thousand, nine hundred twenty-three".