80221184 has 22 divisors (see below), whose sum is σ = 160366074. Its totient is φ = 40110080.

The previous prime is 80221123. The next prime is 80221189. The reversal of 80221184 is 48112208.

It can be written as a sum of positive squares in only one way, i.e., 75203584 + 5017600 = 8672^2 + 2240^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80221189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38147 + ... + 40194.

It is an arithmetic number, because the mean of its divisors is an integer number (7289367).

Almost surely, 2^80221184 is an apocalyptic number.

It is an amenable number.

80221184 is a deficient number, since it is larger than the sum of its proper divisors (80144890).

80221184 is an equidigital number, since it uses as much as digits as its factorization.

80221184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78361 (or 78343 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 80221184 is about 8956.6279368968. The cubic root of 80221184 is about 431.2836779972.

Adding to 80221184 its product of nonzero digits (1024), we get a palindrome (80222208).

The spelling of 80221184 in words is "eighty million, two hundred twenty-one thousand, one hundred eighty-four".