104800221 has 6 divisors (see below), whose sum is σ = 151378110. Its totient is φ = 69866808.

The previous prime is 104800217. The next prime is 104800237. The reversal of 104800221 is 122008401.

It can be written as a sum of positive squares in only one way, i.e., 63776196 + 41024025 = 7986^2 + 6405^2 .

It is not a de Polignac number, because 104800221 - 2² = 104800217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 104800194 and 104800203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104800211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5822226 + ... + 5822243.

It is an arithmetic number, because the mean of its divisors is an integer number (25229685).

Almost surely, 2^104800221 is an apocalyptic number.

It is an amenable number.

104800221 is a deficient number, since it is larger than the sum of its proper divisors (46577889).

104800221 is a wasteful number, since it uses less digits than its factorization.

104800221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11644475 (or 11644472 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 104800221 is about 10237.1979076308. The cubic root of 104800221 is about 471.4700029309.

Adding to 104800221 its reverse (122008401), we get a palindrome (226808622).

The spelling of 104800221 in words is "one hundred four million, eight hundred thousand, two hundred twenty-one".