938351222883221 has 16 divisors (see below), whose sum is σ = 1074205513946880. Its totient is φ = 802948010140800.

The previous prime is 938351222883199. The next prime is 938351222883227. The reversal of 938351222883221 is 122388222153839.

938351222883221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 938351222883221 - 2³⁰ = 938350149141397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938351222883227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229853840 + ... + 233900598.

It is an arithmetic number, because the mean of its divisors is an integer number (67137844621680).

Almost surely, 2^{938351222883221} is an apocalyptic number.

It is an amenable number.

938351222883221 is a deficient number, since it is larger than the sum of its proper divisors (135854291063659).

938351222883221 is a wasteful number, since it uses less digits than its factorization.

938351222883221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4102484.

The product of its digits is 19906560, while the sum is 59.

The spelling of 938351222883221 in words is "nine hundred thirty-eight trillion, three hundred fifty-one billion, two hundred twenty-two million, eight hundred eighty-three thousand, two hundred twenty-one".