1443229 has 4 divisors (see below), whose sum is σ = 1473984. Its totient is φ = 1412476.

The previous prime is 1443223. The next prime is 1443257. The reversal of 1443229 is 9223441.

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 a cyclic number.

It is not a de Polignac number, because 1443229 - 2⁹ = 1442717 is a prime.

It is a Duffinian number.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 15307 + ... + 15400.

It is an arithmetic number, because the mean of its divisors is an integer number (368496).

2^1443229 is an apocalyptic number.

It is an amenable number.

1443229 is a deficient number, since it is larger than the sum of its proper divisors (30755).

1443229 is an equidigital number, since it uses as much as digits as its factorization.

1443229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30754.

The product of its digits is 1728, while the sum is 25.

The square root of 1443229 is about 1201.3446632836. The cubic root of 1443229 is about 113.0086661587.

The spelling of 1443229 in words is "one million, four hundred forty-three thousand, two hundred twenty-nine".