350346221 has 8 divisors (see below), whose sum is σ = 362813184. Its totient is φ = 337952160.

The previous prime is 350346209. The next prime is 350346223. The reversal of 350346221 is 122643053.

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-350346221 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 (350346223) 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, 8351 + ... + 27756.

It is an arithmetic number, because the mean of its divisors is an integer number (45351648).

Almost surely, 2^350346221 is an apocalyptic number.

350346221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

350346221 is a deficient number, since it is larger than the sum of its proper divisors (12466963).

350346221 is a wasteful number, since it uses less digits than its factorization.

350346221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36451.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 350346221 is about 18717.5377921349. The cubic root of 350346221 is about 704.9621702284.

Adding to 350346221 its reverse (122643053), we get a palindrome (472989274).

The spelling of 350346221 in words is "three hundred fifty million, three hundred forty-six thousand, two hundred twenty-one".