306606122 has 4 divisors (see below), whose sum is σ = 459909186. Its totient is φ = 153303060.

The previous prime is 306606121. The next prime is 306606133. The reversal of 306606122 is 221606603.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 301682161 + 4923961 = 17369^2 + 2219^2 .

It is a junction number, because it is equal to n+sod(n) for n = 306606091 and 306606100.

It is not an unprimeable number, because it can be changed into a prime (306606121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76651529 + ... + 76651532.

Almost surely, 2^306606122 is an apocalyptic number.

306606122 is a deficient number, since it is larger than the sum of its proper divisors (153303064).

306606122 is a wasteful number, since it uses less digits than its factorization.

306606122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153303063.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 306606122 is about 17510.1719580363. The cubic root of 306606122 is about 674.3110461056.

The spelling of 306606122 in words is "three hundred six million, six hundred six thousand, one hundred twenty-two".