2118230 has 16 divisors (see below), whose sum is σ = 3936384. Its totient is φ = 819840.

The previous prime is 2118209. The next prime is 2118239. The reversal of 2118230 is 328112.

2118230 = 31² + 32² + ... + 185².

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2118199 and 2118208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3107 + ... + 3726.

It is an arithmetic number, because the mean of its divisors is an integer number (246024).

2^2118230 is an apocalyptic number.

2118230 is a deficient number, since it is larger than the sum of its proper divisors (1818154).

2118230 is a wasteful number, since it uses less digits than its factorization.

2118230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6871.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2118230 is about 1455.4140304394. The cubic root of 2118230 is about 128.4274042755.

It can be divided in two parts, 21182 and 30, that added together give a palindrome (21212).

The spelling of 2118230 in words is "two million, one hundred eighteen thousand, two hundred thirty".