2158230 has 16 divisors (see below), whose sum is σ = 5179824. Its totient is φ = 575520.

The previous prime is 2158223. The next prime is 2158231. The reversal of 2158230 is 328512.

2158230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 2158197 and 2158206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2158231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35941 + ... + 36000.

It is an arithmetic number, because the mean of its divisors is an integer number (323739).

2^2158230 is an apocalyptic number.

2158230 is an abundant number, since it is smaller than the sum of its proper divisors (3021594).

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

2158230 is a wasteful number, since it uses less digits than its factorization.

2158230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71951.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2158230 is about 1469.0915560305. The cubic root of 2158230 is about 129.2307629622.

It can be divided in two parts, 21582 and 30, that added together give a palindrome (21612).

The spelling of 2158230 in words is "two million, one hundred fifty-eight thousand, two hundred thirty".