122544223 has 4 divisors (see below), whose sum is σ = 122817600. Its totient is φ = 122270848.

The previous prime is 122544199. The next prime is 122544241. The reversal of 122544223 is 322445221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122544223 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 (122544283) 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, 136015 + ... + 136912.

It is an arithmetic number, because the mean of its divisors is an integer number (30704400).

Almost surely, 2^122544223 is an apocalyptic number.

122544223 is a deficient number, since it is larger than the sum of its proper divisors (273377).

122544223 is an equidigital number, since it uses as much as digits as its factorization.

122544223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273376.

The product of its digits is 3840, while the sum is 25.

The square root of 122544223 is about 11069.9694218187. The cubic root of 122544223 is about 496.7039505265.

Adding to 122544223 its reverse (322445221), we get a palindrome (444989444).

The spelling of 122544223 in words is "one hundred twenty-two million, five hundred forty-four thousand, two hundred twenty-three".