224148541 has 2 divisors, whose sum is σ = 224148542. Its totient is φ = 224148540.

The previous prime is 224148521. The next prime is 224148619. The reversal of 224148541 is 145841422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223382916 + 765625 = 14946^2 + 875^2 .

It is a cyclic number.

It is not a de Polignac number, because 224148541 - 2¹¹ = 224146493 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224148521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112074270 + 112074271.

It is an arithmetic number, because the mean of its divisors is an integer number (112074271).

Almost surely, 2^224148541 is an apocalyptic number.

It is an amenable number.

224148541 is a deficient number, since it is larger than the sum of its proper divisors (1).

224148541 is an equidigital number, since it uses as much as digits as its factorization.

224148541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10240, while the sum is 31.

The square root of 224148541 is about 14971.5911312058. The cubic root of 224148541 is about 607.4520081537.

Adding to 224148541 its reverse (145841422), we get a palindrome (369989963).

The spelling of 224148541 in words is "two hundred twenty-four million, one hundred forty-eight thousand, five hundred forty-one".