224203541 has 2 divisors, whose sum is σ = 224203542. Its totient is φ = 224203540.

The previous prime is 224203451. The next prime is 224203559. The reversal of 224203541 is 145302422.

It is a happy number.

224203541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (224203451) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142301041 + 81902500 = 11929^2 + 9050^2 .

It is a cyclic number.

It is not a de Polignac number, because 224203541 - 2¹⁴ = 224187157 is a prime.

It is a Chen prime.

It is equal to p_12341408 and since 224203541 and 12341408 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224203571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112101770 + 112101771.

It is an arithmetic number, because the mean of its divisors is an integer number (112101771).

Almost surely, 2^224203541 is an apocalyptic number.

It is an amenable number.

224203541 is a deficient number, since it is larger than the sum of its proper divisors (1).

224203541 is an equidigital number, since it uses as much as digits as its factorization.

224203541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 224203541 is about 14973.4278306606. The cubic root of 224203541 is about 607.5016881978.

Adding to 224203541 its reverse (145302422), we get a palindrome (369505963).

The spelling of 224203541 in words is "two hundred twenty-four million, two hundred three thousand, five hundred forty-one".