347221852 has 12 divisors (see below), whose sum is σ = 611717400. Its totient is φ = 172445456.

The previous prime is 347221813. The next prime is 347221871. The reversal of 347221852 is 258122743.

It is a happy number.

347221852 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290698 + ... + 291889.

It is an arithmetic number, because the mean of its divisors is an integer number (50976450).

Almost surely, 2^347221852 is an apocalyptic number.

It is an amenable number.

347221852 is a deficient number, since it is larger than the sum of its proper divisors (264495548).

347221852 is a wasteful number, since it uses less digits than its factorization.

347221852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582740 (or 582738 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 347221852 is about 18633.8898783909. The cubic root of 347221852 is about 702.8603046120.

The spelling of 347221852 in words is "three hundred forty-seven million, two hundred twenty-one thousand, eight hundred fifty-two".