306122068 has 12 divisors (see below), whose sum is σ = 612244192. Its totient is φ = 131195160.

The previous prime is 306122059. The next prime is 306122087. The reversal of 306122068 is 860221603.

306122068 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 10932931 = 306122068 / (3 + 0 + 6 + 1 + 2 + 2 + 0 + 6 + 8).

It is a congruent 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, 5466438 + ... + 5466493.

Almost surely, 2^306122068 is an apocalyptic number.

It is an amenable number.

306122068 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.

306122068 is a wasteful number, since it uses less digits than its factorization.

306122068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10932942 (or 10932940 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 306122068 is about 17496.3444181920. The cubic root of 306122068 is about 673.9560033152.

The spelling of 306122068 in words is "three hundred six million, one hundred twenty-two thousand, sixty-eight".