2238305885 has 8 divisors (see below), whose sum is σ = 2723798016. Its totient is φ = 1765424080.

The previous prime is 2238305873. The next prime is 2238305891. The reversal of 2238305885 is 5885038322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2238305885 - 2⁶ = 2238305821 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3152189 + ... + 3152898.

It is an arithmetic number, because the mean of its divisors is an integer number (340474752).

Almost surely, 2^2238305885 is an apocalyptic number.

It is an amenable number.

2238305885 is a deficient number, since it is larger than the sum of its proper divisors (485492131).

2238305885 is an equidigital number, since it uses as much as digits as its factorization.

2238305885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6305163.

The product of its (nonzero) digits is 460800, while the sum is 44.

The square root of 2238305885 is about 47310.7375233149. The cubic root of 2238305885 is about 1308.0965859731.

The spelling of 2238305885 in words is "two billion, two hundred thirty-eight million, three hundred five thousand, eight hundred eighty-five".