30000221773 has 8 divisors (see below), whose sum is σ = 30077101440. Its totient is φ = 29923376640.

The previous prime is 30000221743. The next prime is 30000221791. The reversal of 30000221773 is 37712200003.

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 30000221773 - 2²¹ = 29998124621 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 (30000221743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3140238 + ... + 3149776.

It is an arithmetic number, because the mean of its divisors is an integer number (3759637680).

Almost surely, 2^30000221773 is an apocalyptic number.

It is an amenable number.

30000221773 is a deficient number, since it is larger than the sum of its proper divisors (76879667).

30000221773 is an equidigital number, since it uses as much as digits as its factorization.

30000221773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17267.

The product of its (nonzero) digits is 1764, while the sum is 25.

Adding to 30000221773 its reverse (37712200003), we get a palindrome (67712421776).

The spelling of 30000221773 in words is "thirty billion, two hundred twenty-one thousand, seven hundred seventy-three".