104402221 has 32 divisors (see below), whose sum is σ = 137023488. Its totient is φ = 77130240.

The previous prime is 104402189. The next prime is 104402257. The reversal of 104402221 is 122204401.

It is not a de Polignac number, because 104402221 - 2⁵ = 104402189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 104402195 and 104402204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104402261) 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 31 ways as a sum of consecutive naturals, for example, 295581 + ... + 295933.

It is an arithmetic number, because the mean of its divisors is an integer number (4281984).

Almost surely, 2^104402221 is an apocalyptic number.

104402221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

104402221 is a deficient number, since it is larger than the sum of its proper divisors (32621267).

104402221 is a wasteful number, since it uses less digits than its factorization.

104402221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 104402221 is about 10217.7405036534. The cubic root of 104402221 is about 470.8724116223.

Adding to 104402221 its reverse (122204401), we get a palindrome (226606622).

The spelling of 104402221 in words is "one hundred four million, four hundred two thousand, two hundred twenty-one".