80007221 has 8 divisors (see below), whose sum is σ = 91543680. Its totient is φ = 68497488.

The previous prime is 80007139. The next prime is 80007223. The reversal of 80007221 is 12270008.

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 80007221 - 2¹⁴ = 79990837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 80007193 and 80007202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80007223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215 + ... + 12651.

It is an arithmetic number, because the mean of its divisors is an integer number (11442960).

Almost surely, 2^80007221 is an apocalyptic number.

It is an amenable number.

80007221 is a deficient number, since it is larger than the sum of its proper divisors (11536459).

80007221 is a wasteful number, since it uses less digits than its factorization.

80007221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13363.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 80007221 is about 8944.6755670622. The cubic root of 80007221 is about 430.8999019271.

Adding to 80007221 its reverse (12270008), we get a palindrome (92277229).

The spelling of 80007221 in words is "eighty million, seven thousand, two hundred twenty-one".