2163229 has 8 divisors (see below), whose sum is σ = 2227680. Its totient is φ = 2099856.

The previous prime is 2163223. The next prime is 2163241. The reversal of 2163229 is 9223612.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2163229 - 2³ = 2163221 is a prime.

It is a d-powerful number, because it can be written as 2¹⁶ + 1 + 6³ + 3⁵ + 2²⁰ + 2²⁰ + 9² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5367 + ... + 5755.

It is an arithmetic number, because the mean of its divisors is an integer number (278460).

2^2163229 is an apocalyptic number.

It is an amenable number.

2163229 is a deficient number, since it is larger than the sum of its proper divisors (64451).

2163229 is an equidigital number, since it uses as much as digits as its factorization.

2163229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539.

The product of its digits is 1296, while the sum is 25.

The square root of 2163229 is about 1470.7919635353. The cubic root of 2163229 is about 129.3304629386.

The spelling of 2163229 in words is "two million, one hundred sixty-three thousand, two hundred twenty-nine".