352230218 has 4 divisors (see below), whose sum is σ = 528345330. Its totient is φ = 176115108.

The previous prime is 352230217. The next prime is 352230239. The reversal of 352230218 is 812032253.

352230218 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 352200289 + 29929 = 18767^2 + 173^2 .

It is a super-2 number, since 2×352230218² = 248132252944655048, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (352230217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88057553 + ... + 88057556.

Almost surely, 2^352230218 is an apocalyptic number.

352230218 is a deficient number, since it is larger than the sum of its proper divisors (176115112).

352230218 is a wasteful number, since it uses less digits than its factorization.

352230218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176115111.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 352230218 is about 18767.7973667663. The cubic root of 352230218 is about 706.2235633929.

The spelling of 352230218 in words is "three hundred fifty-two million, two hundred thirty thousand, two hundred eighteen".