228010305 has 16 divisors (see below), whose sum is σ = 366387840. Its totient is φ = 121081728.

The previous prime is 228010297. The next prime is 228010309. The reversal of 228010305 is 503010822.

It is not a de Polignac number, because 228010305 - 2³ = 228010297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (228010309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29125 + ... + 36114.

It is an arithmetic number, because the mean of its divisors is an integer number (22899240).

Almost surely, 2^228010305 is an apocalyptic number.

It is an amenable number.

228010305 is a deficient number, since it is larger than the sum of its proper divisors (138377535).

228010305 is a wasteful number, since it uses less digits than its factorization.

228010305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65480.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 228010305 is about 15100.0100993344. The cubic root of 228010305 is about 610.9206781540.

The spelling of 228010305 in words is "two hundred twenty-eight million, ten thousand, three hundred five".