2104044221 has 8 divisors (see below), whose sum is σ = 2198151000. Its totient is φ = 2011374400.

The previous prime is 2104044203. The next prime is 2104044227. The reversal of 2104044221 is 1224404012.

It can be written as a sum of positive squares in 4 ways, for example, as 914760025 + 1189284196 = 30245^2 + 34486^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2104044221 - 2⁶ = 2104044157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2104044193 and 2104044202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104044227) 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 7 ways as a sum of consecutive naturals, for example, 356246 + ... + 362103.

It is an arithmetic number, because the mean of its divisors is an integer number (274768875).

Almost surely, 2^2104044221 is an apocalyptic number.

It is an amenable number.

2104044221 is a deficient number, since it is larger than the sum of its proper divisors (94106779).

2104044221 is a wasteful number, since it uses less digits than its factorization.

2104044221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718479.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2104044221 is about 45869.8617939928. The cubic root of 2104044221 is about 1281.4006926276.

Adding to 2104044221 its reverse (1224404012), we get a palindrome (3328448233).

The spelling of 2104044221 in words is "two billion, one hundred four million, forty-four thousand, two hundred twenty-one".