308223612 has 36 divisors (see below), whose sum is σ = 785080296. Its totient is φ = 101955360.

The previous prime is 308223599. The next prime is 308223623. The reversal of 308223612 is 216322803.

308223612 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 27963 + ... + 37394.

It is an arithmetic number, because the mean of its divisors is an integer number (21807786).

Almost surely, 2^308223612 is an apocalyptic number.

It is an amenable number.

308223612 is an abundant number, since it is smaller than the sum of its proper divisors (476856684).

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

308223612 is a wasteful number, since it uses less digits than its factorization.

308223612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65498 (or 65493 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 308223612 is about 17556.2983570000. The cubic root of 308223612 is about 675.4947352420.

The spelling of 308223612 in words is "three hundred eight million, two hundred twenty-three thousand, six hundred twelve".