2221220030 has 16 divisors (see below), whose sum is σ = 4000523904. Its totient is φ = 887970720.

The previous prime is 2221219991. The next prime is 2221220039. The reversal of 2221220030 is 300221222.

It is a junction number, because it is equal to n+sod(n) for n = 2221219987 and 2221220014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221220039) 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 7 ways as a sum of consecutive naturals, for example, 46382 + ... + 81201.

It is an arithmetic number, because the mean of its divisors is an integer number (250032744).

Almost surely, 2^2221220030 is an apocalyptic number.

2221220030 is a deficient number, since it is larger than the sum of its proper divisors (1779303874).

2221220030 is a wasteful number, since it uses less digits than its factorization.

2221220030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129331.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2221220030 is about 47129.8210266069. The cubic root of 2221220030 is about 1304.7596783968.

Adding to 2221220030 its reverse (300221222), we get a palindrome (2521441252).

The spelling of 2221220030 in words is "two billion, two hundred twenty-one million, two hundred twenty thousand, thirty".