19181848222 has 16 divisors (see below), whose sum is σ = 28971083232. Its totient is φ = 9524964960.

The previous prime is 19181848219. The next prime is 19181848229. The reversal of 19181848222 is 22284818191.

It is a super-2 number, since 2×19181848222² (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 (19181848229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233308 + ... + 304624.

It is an arithmetic number, because the mean of its divisors is an integer number (1810692702).

Almost surely, 2^19181848222 is an apocalyptic number.

19181848222 is a deficient number, since it is larger than the sum of its proper divisors (9789235010).

19181848222 is a wasteful number, since it uses less digits than its factorization.

19181848222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72243.

The product of its digits is 147456, while the sum is 46.

The spelling of 19181848222 in words is "nineteen billion, one hundred eighty-one million, eight hundred forty-eight thousand, two hundred twenty-two".