224056817 has 2 divisors, whose sum is σ = 224056818. Its totient is φ = 224056816.

The previous prime is 224056771. The next prime is 224056853. The reversal of 224056817 is 718650422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120648256 + 103408561 = 10984^2 + 10169^2 .

It is a cyclic number.

It is not a de Polignac number, because 224056817 - 2¹² = 224052721 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (224056897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112028408 + 112028409.

It is an arithmetic number, because the mean of its divisors is an integer number (112028409).

Almost surely, 2^224056817 is an apocalyptic number.

It is an amenable number.

224056817 is a deficient number, since it is larger than the sum of its proper divisors (1).

224056817 is an equidigital number, since it uses as much as digits as its factorization.

224056817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 224056817 is about 14968.5275494953. The cubic root of 224056817 is about 607.3691382116.

The spelling of 224056817 in words is "two hundred twenty-four million, fifty-six thousand, eight hundred seventeen".