2201221019 has 2 divisors, whose sum is σ = 2201221020. Its totient is φ = 2201221018.

The previous prime is 2201220971. The next prime is 2201221027. The reversal of 2201221019 is 9101221022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2201221019 - 2¹² = 2201216923 is a prime.

It is a super-2 number, since 2×2201221019² = 9690747948974796722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2201224019) 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 as a sum of consecutive naturals, namely, 1100610509 + 1100610510.

It is an arithmetic number, because the mean of its divisors is an integer number (1100610510).

Almost surely, 2^2201221019 is an apocalyptic number.

2201221019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201221019 is an equidigital number, since it uses as much as digits as its factorization.

2201221019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 2201221019 is about 46917.1718989966. The cubic root of 2201221019 is about 1300.8320155128.

The spelling of 2201221019 in words is "two billion, two hundred one million, two hundred twenty-one thousand, nineteen".