806104221 has 8 divisors (see below), whose sum is σ = 1157483040. Its totient is φ = 496064112.

The previous prime is 806104193. The next prime is 806104223. The reversal of 806104221 is 122401608.

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

It is not a de Polignac number, because 806104221 - 2¹¹ = 806102173 is a prime.

It is a super-2 number, since 2×806104221² = 1299608030228033682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 806104191 and 806104200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806104223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10334631 + ... + 10334708.

It is an arithmetic number, because the mean of its divisors is an integer number (144685380).

Almost surely, 2^806104221 is an apocalyptic number.

It is an amenable number.

806104221 is a deficient number, since it is larger than the sum of its proper divisors (351378819).

806104221 is a wasteful number, since it uses less digits than its factorization.

806104221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20669355.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 806104221 is about 28391.9745879007. The cubic root of 806104221 is about 930.6728937536.

Adding to 806104221 its reverse (122401608), we get a palindrome (928505829).

The spelling of 806104221 in words is "eight hundred six million, one hundred four thousand, two hundred twenty-one".