1838220183 has 16 divisors (see below), whose sum is σ = 2883483360. Its totient is φ = 1153392768.

The previous prime is 1838220179. The next prime is 1838220221. The reversal of 1838220183 is 3810228381.

It is not a de Polignac number, because 1838220183 - 2² = 1838220179 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1838220103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2001960 + ... + 2002877.

It is an arithmetic number, because the mean of its divisors is an integer number (180217710).

Almost surely, 2^1838220183 is an apocalyptic number.

1838220183 is a deficient number, since it is larger than the sum of its proper divisors (1045263177).

1838220183 is a wasteful number, since it uses less digits than its factorization.

1838220183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4004863 (or 4004857 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 1838220183 is about 42874.4700608649. The cubic root of 1838220183 is about 1224.9899059004.

It can be divided in two parts, 1838220 and 183, that added together give a triangular number (1838403 = T₁₉₁₇).

The spelling of 1838220183 in words is "one billion, eight hundred thirty-eight million, two hundred twenty thousand, one hundred eighty-three".