122228173 has 4 divisors (see below), whose sum is σ = 122645628. Its totient is φ = 121810720.

The previous prime is 122228149. The next prime is 122228177. The reversal of 122228173 is 371822221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 103591684 + 18636489 = 10178^2 + 4317^2 .

It is a cyclic number.

It is not a de Polignac number, because 122228173 - 2⁹ = 122227661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122228177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208288 + ... + 208873.

It is an arithmetic number, because the mean of its divisors is an integer number (30661407).

Almost surely, 2^122228173 is an apocalyptic number.

It is an amenable number.

122228173 is a deficient number, since it is larger than the sum of its proper divisors (417455).

122228173 is an equidigital number, since it uses as much as digits as its factorization.

122228173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417454.

The product of its digits is 2688, while the sum is 28.

The square root of 122228173 is about 11055.6850986269. The cubic root of 122228173 is about 496.2765716578.

The spelling of 122228173 in words is "one hundred twenty-two million, two hundred twenty-eight thousand, one hundred seventy-three".