222432123 has 16 divisors (see below), whose sum is σ = 305091360. Its totient is φ = 144043776.

The previous prime is 222432101. The next prime is 222432157. The reversal of 222432123 is 321234222.

222432123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222432123 - 2¹² = 222428027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222432123.

It is not an unprimeable number, because it can be changed into a prime (222432173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88561 + ... + 91037.

It is an arithmetic number, because the mean of its divisors is an integer number (19068210).

Almost surely, 2^222432123 is an apocalyptic number.

222432123 is a deficient number, since it is larger than the sum of its proper divisors (82659237).

222432123 is a wasteful number, since it uses less digits than its factorization.

222432123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326.

The product of its digits is 1152, while the sum is 21.

The square root of 222432123 is about 14914.1584744162. The cubic root of 222432123 is about 605.8975117773.

Adding to 222432123 its reverse (321234222), we get a palindrome (543666345).

The spelling of 222432123 in words is "two hundred twenty-two million, four hundred thirty-two thousand, one hundred twenty-three".