222320443 has 4 divisors (see below), whose sum is σ = 222940080. Its totient is φ = 221700808.

The previous prime is 222320419. The next prime is 222320473. The reversal of 222320443 is 344023222.

222320443 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, and also an emirpimes, since its reverse is a distinct semiprime: 344023222 = 2 ⋅172011611.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222320443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222320473) 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, 309280 + ... + 309997.

It is an arithmetic number, because the mean of its divisors is an integer number (55735020).

Almost surely, 2^222320443 is an apocalyptic number.

222320443 is a deficient number, since it is larger than the sum of its proper divisors (619637).

222320443 is an equidigital number, since it uses as much as digits as its factorization.

222320443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619636.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 222320443 is about 14910.4139110891. The cubic root of 222320443 is about 605.7960906318.

Adding to 222320443 its reverse (344023222), we get a palindrome (566343665).

The spelling of 222320443 in words is "two hundred twenty-two million, three hundred twenty thousand, four hundred forty-three".