347222789 has 8 divisors (see below), whose sum is σ = 363087360. Its totient is φ = 331422256.

The previous prime is 347222783. The next prime is 347222831. The reversal of 347222789 is 987222743.

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 not a de Polignac number, because 347222789 - 2¹⁶ = 347157253 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 (347222783) 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, 4742 + ... + 26775.

It is an arithmetic number, because the mean of its divisors is an integer number (45385920).

Almost surely, 2^347222789 is an apocalyptic number.

It is an amenable number.

347222789 is a deficient number, since it is larger than the sum of its proper divisors (15864571).

347222789 is a wasteful number, since it uses less digits than its factorization.

347222789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32019.

The product of its digits is 338688, while the sum is 44.

The square root of 347222789 is about 18633.9150207357. The cubic root of 347222789 is about 702.8609368490.

The spelling of 347222789 in words is "three hundred forty-seven million, two hundred twenty-two thousand, seven hundred eighty-nine".