423222113 has 4 divisors (see below), whose sum is σ = 423326148. Its totient is φ = 423118080.

The previous prime is 423222109. The next prime is 423222161. The reversal of 423222113 is 311222324.

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

It can be written as a sum of positive squares in 2 ways, for example, as 328588129 + 94633984 = 18127^2 + 9728^2 .

It is a cyclic number.

It is not a de Polignac number, because 423222113 - 2² = 423222109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423222713) 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, 45656 + ... + 54137.

It is an arithmetic number, because the mean of its divisors is an integer number (105831537).

Almost surely, 2^423222113 is an apocalyptic number.

It is an amenable number.

423222113 is a deficient number, since it is larger than the sum of its proper divisors (104035).

423222113 is an equidigital number, since it uses as much as digits as its factorization.

423222113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104034.

The product of its digits is 576, while the sum is 20.

The square root of 423222113 is about 20572.3628443599. The cubic root of 423222113 is about 750.7974410018.

Adding to 423222113 its reverse (311222324), we get a palindrome (734444437).

The spelling of 423222113 in words is "four hundred twenty-three million, two hundred twenty-two thousand, one hundred thirteen".