221642033345227 has 8 divisors (see below), whose sum is σ = 242732131321392. Its totient is φ = 200708739072000.

The previous prime is 221642033345177. The next prime is 221642033345233. The reversal of 221642033345227 is 722543330246122.

It is a happy number.

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 221642033345227 - 2⁷ = 221642033345099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221642033345237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39200922774 + ... + 39200928427.

It is an arithmetic number, because the mean of its divisors is an integer number (30341516415174).

Almost surely, 2^{221642033345227} is an apocalyptic number.

221642033345227 is a deficient number, since it is larger than the sum of its proper divisors (21090097976165).

221642033345227 is a wasteful number, since it uses less digits than its factorization.

221642033345227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78401851469.

The product of its (nonzero) digits is 2903040, while the sum is 46.

The spelling of 221642033345227 in words is "two hundred twenty-one trillion, six hundred forty-two billion, thirty-three million, three hundred forty-five thousand, two hundred twenty-seven".