2221003210 has 32 divisors (see below), whose sum is σ = 4102458192. Its totient is φ = 865221120.

The previous prime is 2221003171. The next prime is 2221003219. The reversal of 2221003210 is 123001222.

It can be written as a sum of positive squares in 8 ways, for example, as 420783169 + 1800220041 = 20513^2 + 42429^2 .

It is not an unprimeable number, because it can be changed into a prime (2221003219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246912 + ... + 255748.

Almost surely, 2^2221003210 is an apocalyptic number.

2221003210 is a deficient number, since it is larger than the sum of its proper divisors (1881454982).

2221003210 is a wasteful number, since it uses less digits than its factorization.

2221003210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9498.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2221003210 is about 47127.5207283388. The cubic root of 2221003210 is about 1304.7172231702.

Adding to 2221003210 its reverse (123001222), we get a palindrome (2344004432).

The spelling of 2221003210 in words is "two billion, two hundred twenty-one million, three thousand, two hundred ten".