1730221001 has 8 divisors (see below), whose sum is σ = 1748524800. Its totient is φ = 1711940400.

The previous prime is 1730220979. The next prime is 1730221007. The reversal of 1730221001 is 1001220371.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1730221001 - 2⁶ = 1730220937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1730221007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172790 + ... + 182528.

It is an arithmetic number, because the mean of its divisors is an integer number (218565600).

Almost surely, 2^1730221001 is an apocalyptic number.

It is an amenable number.

1730221001 is a deficient number, since it is larger than the sum of its proper divisors (18303799).

1730221001 is a wasteful number, since it uses less digits than its factorization.

1730221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11599.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 1730221001 is about 41595.9252932303. The cubic root of 1730221001 is about 1200.5139004923.

Adding to 1730221001 its reverse (1001220371), we get a palindrome (2731441372).

The spelling of 1730221001 in words is "one billion, seven hundred thirty million, two hundred twenty-one thousand, one".