4243222420273 has 2 divisors, whose sum is σ = 4243222420274. Its totient is φ = 4243222420272.

The previous prime is 4243222420247. The next prime is 4243222420301. The reversal of 4243222420273 is 3720242223424.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3506675702544 + 736546717729 = 1872612^2 + 858223^2 .

It is a cyclic number.

It is not a de Polignac number, because 4243222420273 - 2³⁷ = 4105783466801 is a prime.

It is not a weakly prime, because it can be changed into another prime (4243222420373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121611210136 + 2121611210137.

It is an arithmetic number, because the mean of its divisors is an integer number (2121611210137).

Almost surely, 2^{4243222420273} is an apocalyptic number.

It is an amenable number.

4243222420273 is a deficient number, since it is larger than the sum of its proper divisors (1).

4243222420273 is an equidigital number, since it uses as much as digits as its factorization.

4243222420273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 37.

Adding to 4243222420273 its reverse (3720242223424), we get a palindrome (7963464643697).

The spelling of 4243222420273 in words is "four trillion, two hundred forty-three billion, two hundred twenty-two million, four hundred twenty thousand, two hundred seventy-three".