2201221273 has 2 divisors, whose sum is σ = 2201221274. Its totient is φ = 2201221272.

The previous prime is 2201221241. The next prime is 2201221327. The reversal of 2201221273 is 3721221022.

2201221273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (2201221327) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2201204889 + 16384 = 46917^2 + 128^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201221273 - 2⁵ = 2201221241 is a prime.

It is not a weakly prime, because it can be changed into another prime (2201221223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100610636 + 1100610637.

It is an arithmetic number, because the mean of its divisors is an integer number (1100610637).

Almost surely, 2^2201221273 is an apocalyptic number.

It is an amenable number.

2201221273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201221273 is an equidigital number, since it uses as much as digits as its factorization.

2201221273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 2201221273 is about 46917.1746058946. The cubic root of 2201221273 is about 1300.8320655473.

Adding to 2201221273 its reverse (3721221022), we get a palindrome (5922442295).

The spelling of 2201221273 in words is "two billion, two hundred one million, two hundred twenty-one thousand, two hundred seventy-three".