222343243 has 4 divisors (see below), whose sum is σ = 223759600. Its totient is φ = 220926888.

The previous prime is 222343223. The next prime is 222343267. The reversal of 222343243 is 342343222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222343243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222343213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707943 + ... + 708256.

It is an arithmetic number, because the mean of its divisors is an integer number (55939900).

Almost surely, 2^222343243 is an apocalyptic number.

222343243 is a deficient number, since it is larger than the sum of its proper divisors (1416357).

222343243 is a wasteful number, since it uses less digits than its factorization.

222343243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416356.

The product of its digits is 6912, while the sum is 25.

The square root of 222343243 is about 14911.1784577880. The cubic root of 222343243 is about 605.8167989969.

Adding to 222343243 its reverse (342343222), we get a palindrome (564686465).

The spelling of 222343243 in words is "two hundred twenty-two million, three hundred forty-three thousand, two hundred forty-three".