347422820 has 24 divisors (see below), whose sum is σ = 761310144. Its totient is φ = 132926816.

The previous prime is 347422787. The next prime is 347422837. The reversal of 347422820 is 28224743.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377174 + ... + 378093.

It is an arithmetic number, because the mean of its divisors is an integer number (31721256).

Almost surely, 2^347422820 is an apocalyptic number.

It is an amenable number.

347422820 is an abundant number, since it is smaller than the sum of its proper divisors (413887324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

347422820 is a wasteful number, since it uses less digits than its factorization.

347422820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755299 (or 755297 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 347422820 is about 18639.2816385182. The cubic root of 347422820 is about 702.9958809358.

The spelling of 347422820 in words is "three hundred forty-seven million, four hundred twenty-two thousand, eight hundred twenty".