2238305886 has 40 divisors (see below), whose sum is σ = 5021135064. Its totient is φ = 745258320.

The previous prime is 2238305873. The next prime is 2238305891. The reversal of 2238305886 is 6885038322.

2238305886 is a `hidden beast` number, since 2 + 2 + 38 + 30 + 588 + 6 = 666.

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 19 ways as a sum of consecutive naturals, for example, 145101 + ... + 159783.

Almost surely, 2^2238305886 is an apocalyptic number.

2238305886 is an abundant number, since it is smaller than the sum of its proper divisors (2782829178).

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

2238305886 is a wasteful number, since it uses less digits than its factorization.

2238305886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15638 (or 15629 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 2238305886 is about 47310.7375338834. The cubic root of 2238305886 is about 1308.0965861679.

The spelling of 2238305886 in words is "two billion, two hundred thirty-eight million, three hundred five thousand, eight hundred eighty-six".