306223204 has 12 divisors (see below), whose sum is σ = 612446464. Its totient is φ = 131238504.

The previous prime is 306223199. The next prime is 306223231. The reversal of 306223204 is 402322603.

It is a happy number.

306223204 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5468244 + ... + 5468299.

Almost surely, 2^306223204 is an apocalyptic number.

It is an amenable number.

306223204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

306223204 is a wasteful number, since it uses less digits than its factorization.

306223204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10936554 (or 10936552 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 306223204 is about 17499.2343832523. The cubic root of 306223204 is about 674.0302152245.

Adding to 306223204 its reverse (402322603), we get a palindrome (708545807).

The spelling of 306223204 in words is "three hundred six million, two hundred twenty-three thousand, two hundred four".