222444024137 has 2 divisors, whose sum is σ = 222444024138. Its totient is φ = 222444024136.

The previous prime is 222444024113. The next prime is 222444024169. The reversal of 222444024137 is 731420444222.

It is a happy number.

222444024137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142680708361 + 79763315776 = 377731^2 + 282424^2 .

It is a cyclic number.

It is not a de Polignac number, because 222444024137 - 2²⁰ = 222442975561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222444024097 and 222444024106.

It is not a weakly prime, because it can be changed into another prime (222444024637) 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, 111222012068 + 111222012069.

It is an arithmetic number, because the mean of its divisors is an integer number (111222012069).

Almost surely, 2^222444024137 is an apocalyptic number.

It is an amenable number.

222444024137 is a deficient number, since it is larger than the sum of its proper divisors (1).

222444024137 is an equidigital number, since it uses as much as digits as its factorization.

222444024137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86016, while the sum is 35.

Adding to 222444024137 its reverse (731420444222), we get a palindrome (953864468359).

The spelling of 222444024137 in words is "two hundred twenty-two billion, four hundred forty-four million, twenty-four thousand, one hundred thirty-seven".