22149819679 has 8 divisors (see below), whose sum is σ = 24085242272. Its totient is φ = 20247481440.

The previous prime is 22149819647. The next prime is 22149819689. The reversal of 22149819679 is 97691894122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22149819679 - 2⁵ = 22149819647 is a prime.

It is a super-2 number, since 2×22149819679² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22149819689) 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, 8269692 + ... + 8272369.

It is an arithmetic number, because the mean of its divisors is an integer number (3010655284).

Almost surely, 2^22149819679 is an apocalyptic number.

22149819679 is a deficient number, since it is larger than the sum of its proper divisors (1935422593).

22149819679 is a wasteful number, since it uses less digits than its factorization.

22149819679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16542177.

The product of its digits is 3919104, while the sum is 58.

The spelling of 22149819679 in words is "twenty-two billion, one hundred forty-nine million, eight hundred nineteen thousand, six hundred seventy-nine".