1993216294422 has 24 divisors (see below), whose sum is σ = 4320791466264. Its totient is φ = 664073714304.

The previous prime is 1993216294417. The next prime is 1993216294477. The reversal of 1993216294422 is 2244926123991.

It is a happy number.

1993216294422 is a `hidden beast` number, since 1 + 9 + 9 + 3 + 2 + 1 + 629 + 4 + 4 + 2 + 2 = 666.

It is a super-2 number, since 2×1993216294422² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27606043 + ... + 27678150.

It is an arithmetic number, because the mean of its divisors is an integer number (180032977761).

Almost surely, 2^{1993216294422} is an apocalyptic number.

1993216294422 is an abundant number, since it is smaller than the sum of its proper divisors (2327575171842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1993216294422 is a wasteful number, since it uses less digits than its factorization.

1993216294422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55286204 (or 55286201 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The spelling of 1993216294422 in words is "one trillion, nine hundred ninety-three billion, two hundred sixteen million, two hundred ninety-four thousand, four hundred twenty-two".