222210123 has 16 divisors (see below), whose sum is σ = 308839680. Its totient is φ = 141980256.

The previous prime is 222210113. The next prime is 222210133. The reversal of 222210123 is 321012222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (222210113) and next prime (222210133).

It is not a de Polignac number, because 222210123 - 2¹² = 222206027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222210103) 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, 7503 + ... + 22376.

It is an arithmetic number, because the mean of its divisors is an integer number (19302480).

Almost surely, 2^222210123 is an apocalyptic number.

222210123 is a deficient number, since it is larger than the sum of its proper divisors (86629557).

222210123 is a wasteful number, since it uses less digits than its factorization.

222210123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29986.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 222210123 is about 14906.7140242241. The cubic root of 222210123 is about 605.6958712049.

Adding to 222210123 its reverse (321012222), we get a palindrome (543222345).

The spelling of 222210123 in words is "two hundred twenty-two million, two hundred ten thousand, one hundred twenty-three".