217222055339 has 8 divisors (see below), whose sum is σ = 219732354000. Its totient is φ = 214713303552.

The previous prime is 217222055333. The next prime is 217222055389. The reversal of 217222055339 is 933550222712.

217222055339 is digitally balanced in base 2, because in such base 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.

It is a cyclic number.

It is not a de Polignac number, because 217222055339 - 2¹² = 217222051243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 217222055296 and 217222055305.

It is not an unprimeable number, because it can be changed into a prime (217222055333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103049 + ... + 667130.

It is an arithmetic number, because the mean of its divisors is an integer number (27466544250).

Almost surely, 2^217222055339 is an apocalyptic number.

217222055339 is a deficient number, since it is larger than the sum of its proper divisors (2510298661).

217222055339 is an equidigital number, since it uses as much as digits as its factorization.

217222055339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773437.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 217222055339 in words is "two hundred seventeen billion, two hundred twenty-two million, fifty-five thousand, three hundred thirty-nine".