305135226 has 48 divisors (see below), whose sum is σ = 740739168. Its totient is φ = 89964000.

The previous prime is 305135221. The next prime is 305135279. The reversal of 305135226 is 622531503.

305135226 is a `hidden beast` number, since 305 + 1 + 352 + 2 + 6 = 666.

It is a super-3 number, since 3×305135226³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 305135226.

It is not an unprimeable number, because it can be changed into a prime (305135221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13500 + ... + 28151.

It is an arithmetic number, because the mean of its divisors is an integer number (15432066).

Almost surely, 2^305135226 is an apocalyptic number.

305135226 is an abundant number, since it is smaller than the sum of its proper divisors (435603942).

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

305135226 is a wasteful number, since it uses less digits than its factorization.

305135226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41707 (or 41704 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 305135226 is about 17468.1202766640. The cubic root of 305135226 is about 673.2310157788.

Adding to 305135226 its reverse (622531503), we get a palindrome (927666729).

It can be divided in two parts, 305 and 135226, that added together give a palindrome (135531).

The spelling of 305135226 in words is "three hundred five million, one hundred thirty-five thousand, two hundred twenty-six".