224400244457 has 2 divisors, whose sum is σ = 224400244458. Its totient is φ = 224400244456.

The previous prime is 224400244421. The next prime is 224400244463. The reversal of 224400244457 is 754442004422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114349480336 + 110050764121 = 338156^2 + 331739^2 .

It is a cyclic number.

It is not a de Polignac number, because 224400244457 - 2¹⁶ = 224400178921 is a prime.

It is a super-2 number, since 2×224400244457² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 224400244457.

It is not a weakly prime, because it can be changed into another prime (224400274457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112200122228 + 112200122229.

It is an arithmetic number, because the mean of its divisors is an integer number (112200122229).

Almost surely, 2^224400244457 is an apocalyptic number.

It is an amenable number.

224400244457 is a deficient number, since it is larger than the sum of its proper divisors (1).

224400244457 is an equidigital number, since it uses as much as digits as its factorization.

224400244457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 286720, while the sum is 38.

Adding to 224400244457 its reverse (754442004422), we get a palindrome (978842248879).

The spelling of 224400244457 in words is "two hundred twenty-four billion, four hundred million, two hundred forty-four thousand, four hundred fifty-seven".