2221030506 has 16 divisors (see below), whose sum is σ = 4448080800. Its totient is φ = 739340208.

The previous prime is 2221030499. The next prime is 2221030549. The reversal of 2221030506 is 6050301222.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 246021 + ... + 254888.

It is an arithmetic number, because the mean of its divisors is an integer number (278005050).

Almost surely, 2^2221030506 is an apocalyptic number.

2221030506 is an abundant number, since it is smaller than the sum of its proper divisors (2227050294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221030506 is a wasteful number, since it uses less digits than its factorization.

2221030506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501653.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2221030506 is about 47127.8103246905. The cubic root of 2221030506 is about 1304.7225681146.

Adding to 2221030506 its reverse (6050301222), we get a palindrome (8271331728).

The spelling of 2221030506 in words is "two billion, two hundred twenty-one million, thirty thousand, five hundred six".