221030002 has 16 divisors (see below), whose sum is σ = 356423040. Its totient is φ = 102469968.

The previous prime is 221029993. The next prime is 221030003. The reversal of 221030002 is 200030122.

221030002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (221030003) 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, 60093 + ... + 63664.

It is an arithmetic number, because the mean of its divisors is an integer number (22276440).

Almost surely, 2^221030002 is an apocalyptic number.

221030002 is a deficient number, since it is larger than the sum of its proper divisors (135393038).

221030002 is a wasteful number, since it uses less digits than its factorization.

221030002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123825.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 221030002 is about 14867.0777895321. The cubic root of 221030002 is about 604.6217173980.

Adding to 221030002 its reverse (200030122), we get a palindrome (421060124).

The spelling of 221030002 in words is "two hundred twenty-one million, thirty thousand, two".