80800221 has 4 divisors (see below), whose sum is σ = 107733632. Its totient is φ = 53866812.

The previous prime is 80800189. The next prime is 80800231. The reversal of 80800221 is 12200808.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 80800221 - 2⁵ = 80800189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80800231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13466701 + ... + 13466706.

It is an arithmetic number, because the mean of its divisors is an integer number (26933408).

Almost surely, 2^80800221 is an apocalyptic number.

It is an amenable number.

80800221 is a deficient number, since it is larger than the sum of its proper divisors (26933411).

80800221 is a wasteful number, since it uses less digits than its factorization.

80800221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26933410.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 80800221 is about 8988.8943146529. The cubic root of 80800221 is about 432.3188607404.

The spelling of 80800221 in words is "eighty million, eight hundred thousand, two hundred twenty-one".