2183555 has 24 divisors (see below), whose sum is σ = 3039120. Its totient is φ = 1491840.

The previous prime is 2183543. The next prime is 2183557. The reversal of 2183555 is 5553812.

It is not a de Polignac number, because 2183555 - 2⁴ = 2183539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2183557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58997 + ... + 59033.

It is an arithmetic number, because the mean of its divisors is an integer number (126630).

2^2183555 is an apocalyptic number.

2183555 is a deficient number, since it is larger than the sum of its proper divisors (855565).

2183555 is a wasteful number, since it uses less digits than its factorization.

2183555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 82 counting only the distinct ones).

The product of its digits is 6000, while the sum is 29.

The square root of 2183555 is about 1477.6856905310. The cubic root of 2183555 is about 129.7342698201.

It can be divided in two parts, 218 and 3555, that added together give a palindrome (3773).

The spelling of 2183555 in words is "two million, one hundred eighty-three thousand, five hundred fifty-five".