122122223 has 4 divisors (see below), whose sum is σ = 122144808. Its totient is φ = 122099640.

The previous prime is 122122181. The next prime is 122122241. The reversal of 122122223 is 322221221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322221221 = 7 ⋅46031603.

It is a cyclic number.

It is not a de Polignac number, because 122122223 - 2¹⁰ = 122121199 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 (122122243) 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, 2165 + ... + 15777.

It is an arithmetic number, because the mean of its divisors is an integer number (30536202).

Almost surely, 2^122122223 is an apocalyptic number.

122122223 is a deficient number, since it is larger than the sum of its proper divisors (22585).

122122223 is an equidigital number, since it uses as much as digits as its factorization.

122122223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22584.

The product of its digits is 192, while the sum is 17.

The square root of 122122223 is about 11050.8924074031. The cubic root of 122122223 is about 496.1331358159.

Adding to 122122223 its reverse (322221221), we get a palindrome (444343444).

The spelling of 122122223 in words is "one hundred twenty-two million, one hundred twenty-two thousand, two hundred twenty-three".