1094221 has 4 divisors (see below), whose sum is σ = 1119712. Its totient is φ = 1068732.

The previous prime is 1094209. The next prime is 1094237. The reversal of 1094221 is 1224901.

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: 1224901 = 17 ⋅72053.

It is a cyclic number.

It is not a de Polignac number, because 1094221 - 2¹¹ = 1092173 is a prime.

It is a Duffinian number.

1094221 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1094321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12681 + ... + 12766.

It is an arithmetic number, because the mean of its divisors is an integer number (279928).

2^1094221 is an apocalyptic number.

It is an amenable number.

1094221 is a deficient number, since it is larger than the sum of its proper divisors (25491).

1094221 is an equidigital number, since it uses as much as digits as its factorization.

1094221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25490.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1094221 is about 1046.0501900005. The cubic root of 1094221 is about 103.0469198995.

The spelling of 1094221 in words is "one million, ninety-four thousand, two hundred twenty-one".