348220505 has 32 divisors (see below), whose sum is σ = 455343360. Its totient is φ = 254741760.

The previous prime is 348220501. The next prime is 348220511. The reversal of 348220505 is 505022843.

It is not a de Polignac number, because 348220505 - 2² = 348220501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (348220501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 551540 + ... + 552170.

It is an arithmetic number, because the mean of its divisors is an integer number (14229480).

Almost surely, 2^348220505 is an apocalyptic number.

It is an amenable number.

348220505 is a deficient number, since it is larger than the sum of its proper divisors (107122855).

348220505 is a wasteful number, since it uses less digits than its factorization.

348220505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 348220505 is about 18660.6673246162. The cubic root of 348220505 is about 703.5334973569.

The spelling of 348220505 in words is "three hundred forty-eight million, two hundred twenty thousand, five hundred five".