306663226 has 16 divisors (see below), whose sum is σ = 483663240. Its totient is φ = 145615680.

The previous prime is 306663151. The next prime is 306663263. The reversal of 306663226 is 622366603.

It can be written as a sum of positive squares in 4 ways, for example, as 204633025 + 102030201 = 14305^2 + 10101^2 .

It is a junction number, because it is equal to n+sod(n) for n = 306663191 and 306663200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39801 + ... + 46876.

Almost surely, 2^306663226 is an apocalyptic number.

306663226 is a deficient number, since it is larger than the sum of its proper divisors (177000014).

306663226 is a wasteful number, since it uses less digits than its factorization.

306663226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86769.

The product of its (nonzero) digits is 46656, while the sum is 34.

The square root of 306663226 is about 17511.8024771866. The cubic root of 306663226 is about 674.3529059653.

The spelling of 306663226 in words is "three hundred six million, six hundred sixty-three thousand, two hundred twenty-six".