216713922 has 8 divisors (see below), whose sum is σ = 433427856. Its totient is φ = 72237972.

The previous prime is 216713899. The next prime is 216713929. The reversal of 216713922 is 229317612.

216713922 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

216713922 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (216713929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18059488 + ... + 18059499.

It is an arithmetic number, because the mean of its divisors is an integer number (54178482).

Almost surely, 2^216713922 is an apocalyptic number.

216713922 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

216713922 is a wasteful number, since it uses less digits than its factorization.

216713922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36118992.

The product of its digits is 9072, while the sum is 33.

The square root of 216713922 is about 14721.2065402262. The cubic root of 216713922 is about 600.6603119359.

The spelling of 216713922 in words is "two hundred sixteen million, seven hundred thirteen thousand, nine hundred twenty-two".