64223017 has 2 divisors, whose sum is σ = 64223018. Its totient is φ = 64223016.

The previous prime is 64222999. The next prime is 64223053. The reversal of 64223017 is 71032246.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43283241 + 20939776 = 6579^2 + 4576^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64223017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64222982 and 64223000.

It is not a weakly prime, because it can be changed into another prime (64223077) 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, 32111508 + 32111509.

It is an arithmetic number, because the mean of its divisors is an integer number (32111509).

Almost surely, 2^64223017 is an apocalyptic number.

It is an amenable number.

64223017 is a deficient number, since it is larger than the sum of its proper divisors (1).

64223017 is an equidigital number, since it uses as much as digits as its factorization.

64223017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 64223017 is about 8013.9264408903. The cubic root of 64223017 is about 400.4640801159.

The spelling of 64223017 in words is "sixty-four million, two hundred twenty-three thousand, seventeen".