222444130213 has 2 divisors, whose sum is σ = 222444130214. Its totient is φ = 222444130212.

The previous prime is 222444130189. The next prime is 222444130243. The reversal of 222444130213 is 312031444222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206532073764 + 15912056449 = 454458^2 + 126143^2 .

It is a cyclic number.

It is not a de Polignac number, because 222444130213 - 2²¹ = 222442033061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222444130243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111222065106 + 111222065107.

It is an arithmetic number, because the mean of its divisors is an integer number (111222065107).

Almost surely, 2^222444130213 is an apocalyptic number.

It is an amenable number.

222444130213 is a deficient number, since it is larger than the sum of its proper divisors (1).

222444130213 is an equidigital number, since it uses as much as digits as its factorization.

222444130213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 222444130213 its reverse (312031444222), we get a palindrome (534475574435).

The spelling of 222444130213 in words is "two hundred twenty-two billion, four hundred forty-four million, one hundred thirty thousand, two hundred thirteen".