2238305 has 12 divisors (see below), whose sum is σ = 2855100. Its totient is φ = 1684224.

The previous prime is 2238289. The next prime is 2238311. The reversal of 2238305 is 5038322.

It can be written as a sum of positive squares in 6 ways, for example, as 44944 + 2193361 = 212^2 + 1481^2 .

It is not a de Polignac number, because 2238305 - 2⁴ = 2238289 is a prime.

It is a d-powerful number, because it can be written as 2¹⁴ + 2¹⁸ + 3³ + 8² + 3⁸ + 0 + 5⁹ .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 671 + ... + 2219.

It is an arithmetic number, because the mean of its divisors is an integer number (237925).

2^2238305 is an apocalyptic number.

It is an amenable number.

2238305 is a deficient number, since it is larger than the sum of its proper divisors (616795).

2238305 is a wasteful number, since it uses less digits than its factorization.

2238305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588 (or 1571 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2238305 is about 1496.0965877910. The cubic root of 2238305 is about 130.8096413571.

The spelling of 2238305 in words is "two million, two hundred thirty-eight thousand, three hundred five".