2223012173 has 2 divisors, whose sum is σ = 2223012174. Its totient is φ = 2223012172.

The previous prime is 2223012161. The next prime is 2223012193. The reversal of 2223012173 is 3712103222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2115724009 + 107288164 = 45997^2 + 10358^2 .

It is a cyclic number.

It is not a de Polignac number, because 2223012173 - 2¹⁶ = 2222946637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2223012193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111506086 + 1111506087.

It is an arithmetic number, because the mean of its divisors is an integer number (1111506087).

Almost surely, 2^2223012173 is an apocalyptic number.

It is an amenable number.

2223012173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223012173 is an equidigital number, since it uses as much as digits as its factorization.

2223012173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 2223012173 is about 47148.8300279021. The cubic root of 2223012173 is about 1305.1104897079.

Adding to 2223012173 its reverse (3712103222), we get a palindrome (5935115395).

The spelling of 2223012173 in words is "two billion, two hundred twenty-three million, twelve thousand, one hundred seventy-three".