2158233 has 16 divisors (see below), whose sum is σ = 3588096. Its totient is φ = 1121040.

The previous prime is 2158231. The next prime is 2158237. The reversal of 2158233 is 3328512.

2158233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2158233 - 2¹ = 2158231 is a prime.

2158233 is a lucky 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 15 ways as a sum of consecutive naturals, for example, 4441 + ... + 4902.

It is an arithmetic number, because the mean of its divisors is an integer number (224256).

2^2158233 is an apocalyptic number.

It is an amenable number.

2158233 is a deficient number, since it is larger than the sum of its proper divisors (1429863).

2158233 is a wasteful number, since it uses less digits than its factorization.

2158233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9364.

The product of its digits is 1440, while the sum is 24.

The square root of 2158233 is about 1469.0925770693. The cubic root of 2158233 is about 129.2308228403.

It can be divided in two parts, 215 and 8233, that added together give a palindrome (8448).

The spelling of 2158233 in words is "two million, one hundred fifty-eight thousand, two hundred thirty-three".