305226009 has 24 divisors (see below), whose sum is σ = 497036960. Its totient is φ = 184983480.

The previous prime is 305225983. The next prime is 305226049. The reversal of 305226009 is 900622503.

305226009 is a `hidden beast` number, since 3 + 0 + 52 + 2 + 600 + 9 = 666.

It is not a de Polignac number, because 305226009 - 2⁷ = 305225881 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (305226049) 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 in 23 ways as a sum of consecutive naturals, for example, 43447 + ... + 49980.

Almost surely, 2^305226009 is an apocalyptic number.

It is an amenable number.

305226009 is a deficient number, since it is larger than the sum of its proper divisors (191810951).

305226009 is a wasteful number, since it uses less digits than its factorization.

305226009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93458 (or 93441 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 305226009 is about 17470.7186171605. The cubic root of 305226009 is about 673.2977751103.

The spelling of 305226009 in words is "three hundred five million, two hundred twenty-six thousand, nine".