2287133838 has 24 divisors (see below), whose sum is σ = 5405953176. Its totient is φ = 693070800.

The previous prime is 2287133831. The next prime is 2287133851. The reversal of 2287133838 is 8383317822.

2287133838 is a `hidden beast` number, since 2 + 287 + 1 + 338 + 38 = 666.

It is a super-2 number, since 2×2287133838² = 10461962385849220488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2287133793 and 2287133802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2287133831) 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 11 ways as a sum of consecutive naturals, for example, 5775393 + ... + 5775788.

It is an arithmetic number, because the mean of its divisors is an integer number (225248049).

Almost surely, 2^2287133838 is an apocalyptic number.

2287133838 is an abundant number, since it is smaller than the sum of its proper divisors (3118819338).

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

2287133838 is a wasteful number, since it uses less digits than its factorization.

2287133838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11551200 (or 11551197 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 2287133838 is about 47823.9881022066. The cubic root of 2287133838 is about 1317.5401537234.

The spelling of 2287133838 in words is "two billion, two hundred eighty-seven million, one hundred thirty-three thousand, eight hundred thirty-eight".