224124230521 has 2 divisors, whose sum is σ = 224124230522. Its totient is φ = 224124230520.

The previous prime is 224124230507. The next prime is 224124230537. The reversal of 224124230521 is 125032421422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201031173225 + 23093057296 = 448365^2 + 151964^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224124230521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 224124230521.

It is not a weakly prime, because it can be changed into another prime (224124231521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112062115260 + 112062115261.

It is an arithmetic number, because the mean of its divisors is an integer number (112062115261).

Almost surely, 2^224124230521 is an apocalyptic number.

It is an amenable number.

224124230521 is a deficient number, since it is larger than the sum of its proper divisors (1).

224124230521 is an equidigital number, since it uses as much as digits as its factorization.

224124230521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 224124230521 its reverse (125032421422), we get a palindrome (349156651943).

The spelling of 224124230521 in words is "two hundred twenty-four billion, one hundred twenty-four million, two hundred thirty thousand, five hundred twenty-one".