347330221 has 8 divisors (see below), whose sum is σ = 406180544. Its totient is φ = 290787840.

The previous prime is 347330219. The next prime is 347330233. The reversal of 347330221 is 122033743.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 347330221 - 2¹ = 347330219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347330201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576660 + ... + 577261.

It is an arithmetic number, because the mean of its divisors is an integer number (50772568).

Almost surely, 2^347330221 is an apocalyptic number.

It is an amenable number.

347330221 is a deficient number, since it is larger than the sum of its proper divisors (58850323).

347330221 is a wasteful number, since it uses less digits than its factorization.

347330221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153971.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 347330221 is about 18636.7974984974. The cubic root of 347330221 is about 702.9334186218.

Adding to 347330221 its reverse (122033743), we get a palindrome (469363964).

The spelling of 347330221 in words is "three hundred forty-seven million, three hundred thirty thousand, two hundred twenty-one".