348845218 has 4 divisors (see below), whose sum is σ = 523267830. Its totient is φ = 174422608.

The previous prime is 348845191. The next prime is 348845227. The reversal of 348845218 is 812548843.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 812548843 = 31 ⋅26211253.

It can be written as a sum of positive squares in only one way, i.e., 304048969 + 44796249 = 17437^2 + 6693^2 .

It is a super-2 number, since 2×348845218² = 243385972242935048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87211303 + ... + 87211306.

Almost surely, 2^348845218 is an apocalyptic number.

348845218 is a deficient number, since it is larger than the sum of its proper divisors (174422612).

348845218 is a wasteful number, since it uses less digits than its factorization.

348845218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174422611.

The product of its digits is 245760, while the sum is 43.

The square root of 348845218 is about 18677.3985875978. The cubic root of 348845218 is about 703.9539626941.

The spelling of 348845218 in words is "three hundred forty-eight million, eight hundred forty-five thousand, two hundred eighteen".