11442222173 has 2 divisors, whose sum is σ = 11442222174. Its totient is φ = 11442222172.

The previous prime is 11442222089. The next prime is 11442222271. The reversal of 11442222173 is 37122224411.

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., 10568251204 + 873970969 = 102802^2 + 29563^2 .

It is a cyclic number.

It is not a de Polignac number, because 11442222173 - 2²² = 11438027869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11442222773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5721111086 + 5721111087.

It is an arithmetic number, because the mean of its divisors is an integer number (5721111087).

Almost surely, 2^11442222173 is an apocalyptic number.

It is an amenable number.

11442222173 is a deficient number, since it is larger than the sum of its proper divisors (1).

11442222173 is an equidigital number, since it uses as much as digits as its factorization.

11442222173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 29.

Adding to 11442222173 its reverse (37122224411), we get a palindrome (48564446584).

The spelling of 11442222173 in words is "eleven billion, four hundred forty-two million, two hundred twenty-two thousand, one hundred seventy-three".