19722314319 has 4 divisors (see below), whose sum is σ = 26296419096. Its totient is φ = 13148209544.

The previous prime is 19722314299. The next prime is 19722314383. The reversal of 19722314319 is 91341322791.

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 19722314319 - 2⁷ = 19722314191 is a prime.

It is a super-2 number, since 2×19722314319² (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 (19722314119) 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, 3287052384 + ... + 3287052389.

It is an arithmetic number, because the mean of its divisors is an integer number (6574104774).

Almost surely, 2^19722314319 is an apocalyptic number.

19722314319 is a deficient number, since it is larger than the sum of its proper divisors (6574104777).

19722314319 is an equidigital number, since it uses as much as digits as its factorization.

19722314319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6574104776.

The product of its digits is 81648, while the sum is 42.

The spelling of 19722314319 in words is "nineteen billion, seven hundred twenty-two million, three hundred fourteen thousand, three hundred nineteen".