352222312 has 32 divisors (see below), whose sum is σ = 724648680. Its totient is φ = 159494400.

The previous prime is 352222289. The next prime is 352222319. The reversal of 352222312 is 213222253.

It can be written as a sum of positive squares in 4 ways, for example, as 338339236 + 13883076 = 18394^2 + 3726^2 .

It is not an unprimeable number, because it can be changed into a prime (352222319) 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 in 7 ways as a sum of consecutive naturals, for example, 26439 + ... + 37462.

Almost surely, 2^352222312 is an apocalyptic number.

It is an amenable number.

352222312 is an abundant number, since it is smaller than the sum of its proper divisors (372426368).

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

352222312 is a wasteful number, since it uses less digits than its factorization.

352222312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63973 (or 63969 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 352222312 is about 18767.5867388431. The cubic root of 352222312 is about 706.2182794953.

Adding to 352222312 its reverse (213222253), we get a palindrome (565444565).

The spelling of 352222312 in words is "three hundred fifty-two million, two hundred twenty-two thousand, three hundred twelve".