222243113 has 4 divisors (see below), whose sum is σ = 222299220. Its totient is φ = 222187008.

The previous prime is 222243107. The next prime is 222243121. The reversal of 222243113 is 311342222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311342222 = 2 ⋅155671111.

It can be written as a sum of positive squares in 2 ways, for example, as 155052304 + 67190809 = 12452^2 + 8197^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222243113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222243103) 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, 21620 + ... + 30197.

It is an arithmetic number, because the mean of its divisors is an integer number (55574805).

Almost surely, 2^222243113 is an apocalyptic number.

It is an amenable number.

222243113 is a deficient number, since it is larger than the sum of its proper divisors (56107).

222243113 is an equidigital number, since it uses as much as digits as its factorization.

222243113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56106.

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

The square root of 222243113 is about 14907.8205315197. The cubic root of 222243113 is about 605.7258442139.

Adding to 222243113 its reverse (311342222), we get a palindrome (533585335).

The spelling of 222243113 in words is "two hundred twenty-two million, two hundred forty-three thousand, one hundred thirteen".