104663221 has 6 divisors (see below), whose sum is σ = 113333730. Its totient is φ = 96612048.

The previous prime is 104663197. The next prime is 104663231. The reversal of 104663221 is 122366401.

It can be written as a sum of positive squares in 3 ways, for example, as 1234321 + 103428900 = 1111^2 + 10170^2 .

It is not a de Polignac number, because 104663221 - 2¹³ = 104655029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104663231) 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 in 5 ways as a sum of consecutive naturals, for example, 309486 + ... + 309823.

It is an arithmetic number, because the mean of its divisors is an integer number (18888955).

Almost surely, 2^104663221 is an apocalyptic number.

It is an amenable number.

104663221 is a deficient number, since it is larger than the sum of its proper divisors (8670509).

104663221 is an equidigital number, since it uses as much as digits as its factorization.

104663221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619335 (or 619322 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 104663221 is about 10230.5044352661. The cubic root of 104663221 is about 471.2644704237.

The spelling of 104663221 in words is "one hundred four million, six hundred sixty-three thousand, two hundred twenty-one".