460007221 has 2 divisors, whose sum is σ = 460007222. Its totient is φ = 460007220.

The previous prime is 460007209. The next prime is 460007243. The reversal of 460007221 is 122700064.

It is an a-pointer prime, because the next prime (460007243) can be obtained adding 460007221 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 376942225 + 83064996 = 19415^2 + 9114^2 .

It is a cyclic number.

It is not a de Polignac number, because 460007221 - 2⁹ = 460006709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 460007192 and 460007201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (460007281) 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, 230003610 + 230003611.

It is an arithmetic number, because the mean of its divisors is an integer number (230003611).

Almost surely, 2^460007221 is an apocalyptic number.

It is an amenable number.

460007221 is a deficient number, since it is larger than the sum of its proper divisors (1).

460007221 is an equidigital number, since it uses as much as digits as its factorization.

460007221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 460007221 is about 21447.7789292971. The cubic root of 460007221 is about 771.9483021973.

Adding to 460007221 its reverse (122700064), we get a palindrome (582707285).

The spelling of 460007221 in words is "four hundred sixty million, seven thousand, two hundred twenty-one".