216222512333426 has 16 divisors (see below), whose sum is σ = 331878556399104. Its totient is φ = 105596359323504.

The previous prime is 216222512333413. The next prime is 216222512333441. The reversal of 216222512333426 is 624333215222612.

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, 5417711 + ... + 21489453.

It is an arithmetic number, because the mean of its divisors is an integer number (20742409774944).

Almost surely, 2^{216222512333426} is an apocalyptic number.

216222512333426 is a deficient number, since it is larger than the sum of its proper divisors (115656044065678).

216222512333426 is a wasteful number, since it uses less digits than its factorization.

216222512333426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16228225.

The product of its digits is 1244160, while the sum is 44.

The spelling of 216222512333426 in words is "two hundred sixteen trillion, two hundred twenty-two billion, five hundred twelve million, three hundred thirty-three thousand, four hundred twenty-six".