1044221 has 4 divisors (see below), whose sum is σ = 1099200. Its totient is φ = 989244.

The previous prime is 1044217. The next prime is 1044227. The reversal of 1044221 is 1224401.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1224401 = 107 ⋅11443.

It is a cyclic number.

It is not a de Polignac number, because 1044221 - 2² = 1044217 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1044196 and 1044205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27461 + ... + 27498.

It is an arithmetic number, because the mean of its divisors is an integer number (274800).

2^1044221 is an apocalyptic number.

It is an amenable number.

1044221 is a deficient number, since it is larger than the sum of its proper divisors (54979).

1044221 is an equidigital number, since it uses as much as digits as its factorization.

1044221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54978.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1044221 is about 1021.8713226234. The cubic root of 1044221 is about 101.4528241378.

Adding to 1044221 its reverse (1224401), we get a palindrome (2268622).

The spelling of 1044221 in words is "one million, forty-four thousand, two hundred twenty-one".