1443226 has 4 divisors (see below), whose sum is σ = 2164842. Its totient is φ = 721612.

The previous prime is 1443223. The next prime is 1443257. The reversal of 1443226 is 6223441.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1437601 + 5625 = 1199^2 + 75^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 1 + 4⁹ + 4¹⁰ + 3² + 2⁷ + 2¹⁷ + 6⁴ .

It is a junction number, because it is equal to n+sod(n) for n = 1443197 and 1443206.

It is not an unprimeable number, because it can be changed into a prime (1443223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360805 + ... + 360808.

2^1443226 is an apocalyptic number.

1443226 is a deficient number, since it is larger than the sum of its proper divisors (721616).

1443226 is an equidigital number, since it uses as much as digits as its factorization.

1443226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721615.

The product of its digits is 1152, while the sum is 22.

The square root of 1443226 is about 1201.3434146821. The cubic root of 1443226 is about 113.0085878559.

Adding to 1443226 its reverse (6223441), we get a palindrome (7666667).

The spelling of 1443226 in words is "one million, four hundred forty-three thousand, two hundred twenty-six".