80104221 has 24 divisors (see below), whose sum is σ = 127056384. Its totient is φ = 50258880.

The previous prime is 80104207. The next prime is 80104229. The reversal of 80104221 is 12240108.

It is a de Polignac number, because none of the positive numbers 2^k-80104221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80104194 and 80104203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80104229) 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 23 ways as a sum of consecutive naturals, for example, 5565 + ... + 13826.

It is an arithmetic number, because the mean of its divisors is an integer number (5294016).

Almost surely, 2^80104221 is an apocalyptic number.

80104221 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

80104221 is a deficient number, since it is larger than the sum of its proper divisors (46952163).

80104221 is a wasteful number, since it uses less digits than its factorization.

80104221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19423 (or 19411 counting only the distinct ones).

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

The square root of 80104221 is about 8950.0961447350. The cubic root of 80104221 is about 431.0739712581.

Adding to 80104221 its reverse (12240108), we get a palindrome (92344329).

The spelling of 80104221 in words is "eighty million, one hundred four thousand, two hundred twenty-one".