306105225 has 24 divisors (see below), whose sum is σ = 508241280. Its totient is φ = 162563520.

The previous prime is 306105223. The next prime is 306105227. The reversal of 306105225 is 522501603.

It is an interprime number because it is at equal distance from previous prime (306105223) and next prime (306105227).

It is not a de Polignac number, because 306105225 - 2¹ = 306105223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 306105195 and 306105204.

It is not an unprimeable number, because it can be changed into a prime (306105223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9387 + ... + 26463.

It is an arithmetic number, because the mean of its divisors is an integer number (21176720).

Almost surely, 2^306105225 is an apocalyptic number.

It is an amenable number.

306105225 is a deficient number, since it is larger than the sum of its proper divisors (202136055).

306105225 is a wasteful number, since it uses less digits than its factorization.

306105225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17329 (or 17324 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 306105225 is about 17495.8630824547. The cubic root of 306105225 is about 673.9436426152.

Adding to 306105225 its reverse (522501603), we get a palindrome (828606828).

The spelling of 306105225 in words is "three hundred six million, one hundred five thousand, two hundred twenty-five".