447228097 has 2 divisors, whose sum is σ = 447228098. Its totient is φ = 447228096.

The previous prime is 447228071. The next prime is 447228109. The reversal of 447228097 is 790822744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 374654736 + 72573361 = 19356^2 + 8519^2 .

It is a cyclic number.

It is not a de Polignac number, because 447228097 - 2¹¹ = 447226049 is a prime.

It is not a weakly prime, because it can be changed into another prime (447228037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223614048 + 223614049.

It is an arithmetic number, because the mean of its divisors is an integer number (223614049).

Almost surely, 2^447228097 is an apocalyptic number.

It is an amenable number.

447228097 is a deficient number, since it is larger than the sum of its proper divisors (1).

447228097 is an equidigital number, since it uses as much as digits as its factorization.

447228097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 447228097 is about 21147.7681328314. The cubic root of 447228097 is about 764.7327569811.

The spelling of 447228097 in words is "four hundred forty-seven million, two hundred twenty-eight thousand, ninety-seven".