2154230 has 32 divisors (see below), whose sum is σ = 4251744. Its totient is φ = 781056.

The previous prime is 2154227. The next prime is 2154241. The reversal of 2154230 is 324512.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2154199 and 2154208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9377 + ... + 9603.

It is an arithmetic number, because the mean of its divisors is an integer number (132867).

2^2154230 is an apocalyptic number.

2154230 is a deficient number, since it is larger than the sum of its proper divisors (2097514).

2154230 is a wasteful number, since it uses less digits than its factorization.

2154230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2154230 is about 1467.7295391182. The cubic root of 2154230 is about 129.1508760903.

Adding to 2154230 its reverse (324512), we get a palindrome (2478742).

The spelling of 2154230 in words is "two million, one hundred fifty-four thousand, two hundred thirty".