224404043173 has 2 divisors, whose sum is σ = 224404043174. Its totient is φ = 224404043172.

The previous prime is 224404043089. The next prime is 224404043177. The reversal of 224404043173 is 371340404422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179215062244 + 45188980929 = 423338^2 + 212577^2 .

It is a cyclic number.

It is not a de Polignac number, because 224404043173 - 2³³ = 215814108581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224404043177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112202021586 + 112202021587.

It is an arithmetic number, because the mean of its divisors is an integer number (112202021587).

Almost surely, 2^224404043173 is an apocalyptic number.

It is an amenable number.

224404043173 is a deficient number, since it is larger than the sum of its proper divisors (1).

224404043173 is an equidigital number, since it uses as much as digits as its factorization.

224404043173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 34.

Adding to 224404043173 its reverse (371340404422), we get a palindrome (595744447595).

The spelling of 224404043173 in words is "two hundred twenty-four billion, four hundred four million, forty-three thousand, one hundred seventy-three".