122646223 has 4 divisors (see below), whose sum is σ = 140167120. Its totient is φ = 105125328.

The previous prime is 122646203. The next prime is 122646239. The reversal of 122646223 is 322646221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322646221 = 241 ⋅1338781.

It is not a de Polignac number, because 122646223 - 2¹³ = 122638031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122646191 and 122646200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122646203) by changing a digit.

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, 8760438 + ... + 8760451.

It is an arithmetic number, because the mean of its divisors is an integer number (35041780).

Almost surely, 2^122646223 is an apocalyptic number.

122646223 is a deficient number, since it is larger than the sum of its proper divisors (17520897).

122646223 is an equidigital number, since it uses as much as digits as its factorization.

122646223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17520896.

The product of its digits is 6912, while the sum is 28.

The square root of 122646223 is about 11074.5755223394. The cubic root of 122646223 is about 496.8417232464.

The spelling of 122646223 in words is "one hundred twenty-two million, six hundred forty-six thousand, two hundred twenty-three".