22221048019 has 4 divisors (see below), whose sum is σ = 22237233696. Its totient is φ = 22204862344.

The previous prime is 22221047963. The next prime is 22221048061. The reversal of 22221048019 is 91084012222.

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 22221048019 - 2⁹ = 22221047507 is a prime.

It is a super-2 number, since 2×22221048019² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22221048419) 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, 8090779 + ... + 8093524.

It is an arithmetic number, because the mean of its divisors is an integer number (5559308424).

Almost surely, 2^22221048019 is an apocalyptic number.

22221048019 is a deficient number, since it is larger than the sum of its proper divisors (16185677).

22221048019 is a wasteful number, since it uses less digits than its factorization.

22221048019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16185676.

The product of its (nonzero) digits is 4608, while the sum is 31.

The spelling of 22221048019 in words is "twenty-two billion, two hundred twenty-one million, forty-eight thousand, nineteen".