22003013173 has 2 divisors, whose sum is σ = 22003013174. Its totient is φ = 22003013172.

The previous prime is 22003013171. The next prime is 22003013231. The reversal of 22003013173 is 37131030022.

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., 20858002929 + 1145010244 = 144423^2 + 33838^2 .

It is a cyclic number.

It is not a de Polignac number, because 22003013173 - 2¹ = 22003013171 is a prime.

Together with 22003013171, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22003013171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11001506586 + 11001506587.

It is an arithmetic number, because the mean of its divisors is an integer number (11001506587).

Almost surely, 2^22003013173 is an apocalyptic number.

It is an amenable number.

22003013173 is a deficient number, since it is larger than the sum of its proper divisors (1).

22003013173 is an equidigital number, since it uses as much as digits as its factorization.

22003013173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 22.

Adding to 22003013173 its reverse (37131030022), we get a palindrome (59134043195).

The spelling of 22003013173 in words is "twenty-two billion, three million, thirteen thousand, one hundred seventy-three".