63228317 has 2 divisors, whose sum is σ = 63228318. Its totient is φ = 63228316.

The previous prime is 63228307. The next prime is 63228331. The reversal of 63228317 is 71382236.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63138916 + 89401 = 7946^2 + 299^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63228317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63228307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31614158 + 31614159.

It is an arithmetic number, because the mean of its divisors is an integer number (31614159).

Almost surely, 2^63228317 is an apocalyptic number.

It is an amenable number.

63228317 is a deficient number, since it is larger than the sum of its proper divisors (1).

63228317 is an equidigital number, since it uses as much as digits as its factorization.

63228317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 32.

The square root of 63228317 is about 7951.6235449121. The cubic root of 63228317 is about 398.3858219183.

The spelling of 63228317 in words is "sixty-three million, two hundred twenty-eight thousand, three hundred seventeen".