222444444241 has 2 divisors, whose sum is σ = 222444444242. Its totient is φ = 222444444240.

The previous prime is 222444444169. The next prime is 222444444263. The reversal of 222444444241 is 142444444222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141060336400 + 81384107841 = 375580^2 + 285279^2 .

It is a cyclic number.

It is not a de Polignac number, because 222444444241 - 2¹¹ = 222444442193 is a prime.

It is a super-3 number, since 3×222444444241³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222444444241.

It is not a weakly prime, because it can be changed into another prime (222444444281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111222222120 + 111222222121.

It is an arithmetic number, because the mean of its divisors is an integer number (111222222121).

Almost surely, 2^222444444241 is an apocalyptic number.

It is an amenable number.

222444444241 is a deficient number, since it is larger than the sum of its proper divisors (1).

222444444241 is an equidigital number, since it uses as much as digits as its factorization.

222444444241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 262144, while the sum is 37.

Adding to 222444444241 its reverse (142444444222), we get a palindrome (364888888463).

The spelling of 222444444241 in words is "two hundred twenty-two billion, four hundred forty-four million, four hundred forty-four thousand, two hundred forty-one".