22642847219 has 4 divisors (see below), whose sum is σ = 23834576040. Its totient is φ = 21451118400.

The previous prime is 22642847207. The next prime is 22642847221. The reversal of 22642847219 is 91274824622.

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

It is a cyclic number.

It is not a de Polignac number, because 22642847219 - 2⁴ = 22642847203 is a prime.

It is a super-2 number, since 2×22642847219² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22642847239) 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, 595864382 + ... + 595864419.

It is an arithmetic number, because the mean of its divisors is an integer number (5958644010).

Almost surely, 2^22642847219 is an apocalyptic number.

22642847219 is a deficient number, since it is larger than the sum of its proper divisors (1191728821).

22642847219 is a wasteful number, since it uses less digits than its factorization.

22642847219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191728820.

The product of its digits is 774144, while the sum is 47.

The spelling of 22642847219 in words is "twenty-two billion, six hundred forty-two million, eight hundred forty-seven thousand, two hundred nineteen".