19072212019 has 8 divisors (see below), whose sum is σ = 21841210368. Its totient is φ = 16314312840.

The previous prime is 19072212017. The next prime is 19072212031. The reversal of 19072212019 is 91021227091.

It is a happy number.

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

It is not a de Polignac number, because 19072212019 - 2¹ = 19072212017 is a prime.

It is a super-2 number, since 2×19072212019² (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 (19072212017) 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 7 ways as a sum of consecutive naturals, for example, 2771107 + ... + 2777980.

It is an arithmetic number, because the mean of its divisors is an integer number (2730151296).

Almost surely, 2^19072212019 is an apocalyptic number.

19072212019 is a deficient number, since it is larger than the sum of its proper divisors (2768998349).

19072212019 is an equidigital number, since it uses as much as digits as its factorization.

19072212019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5549585.

The product of its (nonzero) digits is 4536, while the sum is 34.

The spelling of 19072212019 in words is "nineteen billion, seventy-two million, two hundred twelve thousand, nineteen".