19312224218 has 16 divisors (see below), whose sum is σ = 33572962944. Its totient is φ = 8160094320.

The previous prime is 19312224209. The next prime is 19312224313. The reversal of 19312224218 is 81242221391.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9713405 + ... + 9715392.

It is an arithmetic number, because the mean of its divisors is an integer number (2098310184).

Almost surely, 2^19312224218 is an apocalyptic number.

19312224218 is a deficient number, since it is larger than the sum of its proper divisors (14260738726).

19312224218 is a wasteful number, since it uses less digits than its factorization.

19312224218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19428877.

The product of its digits is 13824, while the sum is 35.

The spelling of 19312224218 in words is "nineteen billion, three hundred twelve million, two hundred twenty-four thousand, two hundred eighteen".