222594680173 has 2 divisors, whose sum is σ = 222594680174. Its totient is φ = 222594680172.

The previous prime is 222594680123. The next prime is 222594680207. The reversal of 222594680173 is 371086495222.

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., 119786594404 + 102808085769 = 346102^2 + 320637^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222594680173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222594680123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111297340086 + 111297340087.

It is an arithmetic number, because the mean of its divisors is an integer number (111297340087).

It is a 1-persistent number, because it is pandigital, but 2⋅222594680173 = 445189360346 is not.

Almost surely, 2^222594680173 is an apocalyptic number.

It is an amenable number.

222594680173 is a deficient number, since it is larger than the sum of its proper divisors (1).

222594680173 is an equidigital number, since it uses as much as digits as its factorization.

222594680173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 222594680173 in words is "two hundred twenty-two billion, five hundred ninety-four million, six hundred eighty thousand, one hundred seventy-three".