224220443 has 2 divisors, whose sum is σ = 224220444. Its totient is φ = 224220442.

The previous prime is 224220419. The next prime is 224220457. The reversal of 224220443 is 344022422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 224220443 - 2⁸ = 224220187 is a prime.

It is equal to p_12342308 and since 224220443 and 12342308 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (224220043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112110221 + 112110222.

It is an arithmetic number, because the mean of its divisors is an integer number (112110222).

Almost surely, 2^224220443 is an apocalyptic number.

224220443 is a deficient number, since it is larger than the sum of its proper divisors (1).

224220443 is an equidigital number, since it uses as much as digits as its factorization.

224220443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 224220443 is about 14973.9922198457. The cubic root of 224220443 is about 607.5169536949.

Adding to 224220443 its reverse (344022422), we get a palindrome (568242865).

The spelling of 224220443 in words is "two hundred twenty-four million, two hundred twenty thousand, four hundred forty-three".