306132226 has 8 divisors (see below), whose sum is σ = 486210060. Its totient is φ = 144062208.

The previous prime is 306132181. The next prime is 306132227. The reversal of 306132226 is 622231603.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 289034001 + 17098225 = 17001^2 + 4135^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 306132226.

It is not an unprimeable number, because it can be changed into a prime (306132227) 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 3 ways as a sum of consecutive naturals, for example, 4501911 + ... + 4501978.

Almost surely, 2^306132226 is an apocalyptic number.

306132226 is a deficient number, since it is larger than the sum of its proper divisors (180077834).

306132226 is a wasteful number, since it uses less digits than its factorization.

306132226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9003908.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 306132226 is about 17496.6347049940. The cubic root of 306132226 is about 673.9634578245.

Adding to 306132226 its reverse (622231603), we get a palindrome (928363829).

The spelling of 306132226 in words is "three hundred six million, one hundred thirty-two thousand, two hundred twenty-six".