122122205 has 4 divisors (see below), whose sum is σ = 146546652. Its totient is φ = 97697760.

The previous prime is 122122181. The next prime is 122122241. The reversal of 122122205 is 502221221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 502221221 = 277 ⋅1813073.

It can be written as a sum of positive squares in 2 ways, for example, as 19829209 + 102292996 = 4453^2 + 10114^2 .

It is not a de Polignac number, because 122122205 - 2¹⁴ = 122105821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12212216 + ... + 12212225.

It is an arithmetic number, because the mean of its divisors is an integer number (36636663).

Almost surely, 2^122122205 is an apocalyptic number.

It is an amenable number.

122122205 is a deficient number, since it is larger than the sum of its proper divisors (24424447).

122122205 is an equidigital number, since it uses as much as digits as its factorization.

122122205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24424446.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 122122205 is about 11050.8915929892. The cubic root of 122122205 is about 496.1331114403.

Adding to 122122205 its reverse (502221221), we get a palindrome (624343426).

The spelling of 122122205 in words is "one hundred twenty-two million, one hundred twenty-two thousand, two hundred five".