1844229 has 4 divisors (see below), whose sum is σ = 2458976. Its totient is φ = 1229484.

The previous prime is 1844207. The next prime is 1844243. The reversal of 1844229 is 9224481.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1844229 - 2²⁰ = 795653 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 1844196 and 1844205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1844299) 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 3 ways as a sum of consecutive naturals, for example, 307369 + ... + 307374.

It is an arithmetic number, because the mean of its divisors is an integer number (614744).

2^1844229 is an apocalyptic number.

It is an amenable number.

1844229 is a deficient number, since it is larger than the sum of its proper divisors (614747).

1844229 is an equidigital number, since it uses as much as digits as its factorization.

1844229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614746.

The product of its digits is 4608, while the sum is 30.

The square root of 1844229 is about 1358.0239320424. The cubic root of 1844229 is about 122.6323212696.

The spelling of 1844229 in words is "one million, eight hundred forty-four thousand, two hundred twenty-nine".