22210323173 has 2 divisors, whose sum is σ = 22210323174. Its totient is φ = 22210323172.

The previous prime is 22210323151. The next prime is 22210323181. The reversal of 22210323173 is 37132301222.

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., 12641179489 + 9569143684 = 112433^2 + 97822^2 .

It is a cyclic number.

It is not a de Polignac number, because 22210323173 - 2²⁸ = 21941887717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22210325173) 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, 11105161586 + 11105161587.

It is an arithmetic number, because the mean of its divisors is an integer number (11105161587).

Almost surely, 2^22210323173 is an apocalyptic number.

It is an amenable number.

22210323173 is a deficient number, since it is larger than the sum of its proper divisors (1).

22210323173 is an equidigital number, since it uses as much as digits as its factorization.

22210323173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 22210323173 its reverse (37132301222), we get a palindrome (59342624395).

The spelling of 22210323173 in words is "twenty-two billion, two hundred ten million, three hundred twenty-three thousand, one hundred seventy-three".