1730229 has 4 divisors (see below), whose sum is σ = 2306976. Its totient is φ = 1153484.

The previous prime is 1730213. The next prime is 1730237. The reversal of 1730229 is 9220371.

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 1730229 - 2⁴ = 1730213 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 1730199 and 1730208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1730299) 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, 288369 + ... + 288374.

It is an arithmetic number, because the mean of its divisors is an integer number (576744).

2^1730229 is an apocalyptic number.

It is an amenable number.

1730229 is a deficient number, since it is larger than the sum of its proper divisors (576747).

1730229 is an equidigital number, since it uses as much as digits as its factorization.

1730229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576746.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 1730229 is about 1315.3816936540. The cubic root of 1730229 is about 120.0515750525.

The spelling of 1730229 in words is "one million, seven hundred thirty thousand, two hundred twenty-nine".