63228337 has 2 divisors, whose sum is σ = 63228338. Its totient is φ = 63228336.

The previous prime is 63228331. The next prime is 63228379. The reversal of 63228337 is 73382236.

63228337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62236321 + 992016 = 7889^2 + 996^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63228337 is a prime.

It is not a weakly prime, because it can be changed into another prime (63228331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31614168 + 31614169.

It is an arithmetic number, because the mean of its divisors is an integer number (31614169).

Almost surely, 2^63228337 is an apocalyptic number.

It is an amenable number.

63228337 is a deficient number, since it is larger than the sum of its proper divisors (1).

63228337 is an equidigital number, since it uses as much as digits as its factorization.

63228337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 34.

The square root of 63228337 is about 7951.6248025168. The cubic root of 63228337 is about 398.3858639233.

The spelling of 63228337 in words is "sixty-three million, two hundred twenty-eight thousand, three hundred thirty-seven".