222330013 has 4 divisors (see below), whose sum is σ = 222375580. Its totient is φ = 222284448.

The previous prime is 222329999. The next prime is 222330019. The reversal of 222330013 is 310033222.

222330013 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 can be written as a sum of positive squares in 2 ways, for example, as 218241529 + 4088484 = 14773^2 + 2022^2 .

It is a cyclic number.

It is not a de Polignac number, because 222330013 - 2⁹ = 222329501 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 (222330019) 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, 14448 + ... + 25561.

It is an arithmetic number, because the mean of its divisors is an integer number (55593895).

Almost surely, 2^222330013 is an apocalyptic number.

It is an amenable number.

222330013 is a deficient number, since it is larger than the sum of its proper divisors (45567).

222330013 is an equidigital number, since it uses as much as digits as its factorization.

222330013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45566.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 222330013 is about 14910.7348242801. The cubic root of 222330013 is about 605.8047828680.

Adding to 222330013 its reverse (310033222), we get a palindrome (532363235).

The spelling of 222330013 in words is "two hundred twenty-two million, three hundred thirty thousand, thirteen".