222122123 has 4 divisors (see below), whose sum is σ = 222310440. Its totient is φ = 221933808.

The previous prime is 222122081. The next prime is 222122149. The reversal of 222122123 is 321221222.

222122123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 222122123 - 2¹² = 222118027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222122183) 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, 92378 + ... + 94751.

It is an arithmetic number, because the mean of its divisors is an integer number (55577610).

Almost surely, 2^222122123 is an apocalyptic number.

222122123 is a deficient number, since it is larger than the sum of its proper divisors (188317).

222122123 is a wasteful number, since it uses less digits than its factorization.

222122123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188316.

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

The square root of 222122123 is about 14903.7620418470. The cubic root of 222122123 is about 605.6159044395.

Adding to 222122123 its reverse (321221222), we get a palindrome (543343345).

Subtracting 222122123 from its reverse (321221222), we obtain a palindrome (99099099).

The spelling of 222122123 in words is "two hundred twenty-two million, one hundred twenty-two thousand, one hundred twenty-three".