224445443 has 2 divisors, whose sum is σ = 224445444. Its totient is φ = 224445442.

The previous prime is 224445427. The next prime is 224445457. The reversal of 224445443 is 344544422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 224445443 - 2⁴ = 224445427 is a prime.

It is not a weakly prime, because it can be changed into another prime (224445493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112222721 + 112222722.

It is an arithmetic number, because the mean of its divisors is an integer number (112222722).

Almost surely, 2^224445443 is an apocalyptic number.

224445443 is a deficient number, since it is larger than the sum of its proper divisors (1).

224445443 is an equidigital number, since it uses as much as digits as its factorization.

224445443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61440, while the sum is 32.

The square root of 224445443 is about 14981.5033624800. The cubic root of 224445443 is about 607.7200954721.

Adding to 224445443 its reverse (344544422), we get a palindrome (568989865).

The spelling of 224445443 in words is "two hundred twenty-four million, four hundred forty-five thousand, four hundred forty-three".