350353335221 has 8 divisors (see below), whose sum is σ = 363820660224. Its totient is φ = 337021360560.

The previous prime is 350353335197. The next prime is 350353335229. The reversal of 350353335221 is 122533353053.

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 a de Polignac number, because none of the positive numbers 2^k-350353335221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350353335229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33832310 + ... + 33842663.

It is an arithmetic number, because the mean of its divisors is an integer number (45477582528).

Almost surely, 2^350353335221 is an apocalyptic number.

350353335221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

350353335221 is a deficient number, since it is larger than the sum of its proper divisors (13467325003).

350353335221 is a wasteful number, since it uses less digits than its factorization.

350353335221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67675171.

The product of its (nonzero) digits is 121500, while the sum is 35.

Adding to 350353335221 its reverse (122533353053), we get a palindrome (472886688274).

The spelling of 350353335221 in words is "three hundred fifty billion, three hundred fifty-three million, three hundred thirty-five thousand, two hundred twenty-one".