19013028226 has 8 divisors (see below), whose sum is σ = 28556631180. Its totient is φ = 9494151168.

The previous prime is 19013028179. The next prime is 19013028241. The reversal of 19013028226 is 62282031091.

It can be written as a sum of positive squares in 2 ways, for example, as 18789555625 + 223472601 = 137075^2 + 14949^2 .

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

It is a super-2 number, since 2×19013028226² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19013028191 and 19013028200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6179551 + ... + 6182626.

Almost surely, 2^19013028226 is an apocalyptic number.

19013028226 is a deficient number, since it is larger than the sum of its proper divisors (9543602954).

19013028226 is a wasteful number, since it uses less digits than its factorization.

19013028226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12362948.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 19013028226 in words is "nineteen billion, thirteen million, twenty-eight thousand, two hundred twenty-six".