2164235 has 4 divisors (see below), whose sum is σ = 2597088. Its totient is φ = 1731384.

The previous prime is 2164229. The next prime is 2164247. The reversal of 2164235 is 5324612.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2164235 - 2⁶ = 2164171 is a prime.

It is a d-powerful number, because it can be written as 2 + 1 + 6⁴ + 4⁸ + 2²¹ + 3⁵ + 5 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2164235.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216419 + ... + 216428.

It is an arithmetic number, because the mean of its divisors is an integer number (649272).

2^2164235 is an apocalyptic number.

2164235 is a deficient number, since it is larger than the sum of its proper divisors (432853).

2164235 is an equidigital number, since it uses as much as digits as its factorization.

2164235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432852.

The product of its digits is 1440, while the sum is 23.

The square root of 2164235 is about 1471.1339164060. The cubic root of 2164235 is about 129.3505080167.

Adding to 2164235 its reverse (5324612), we get a palindrome (7488847).

The spelling of 2164235 in words is "two million, one hundred sixty-four thousand, two hundred thirty-five".