80220571 has 2 divisors, whose sum is σ = 80220572. Its totient is φ = 80220570.

The previous prime is 80220541. The next prime is 80220593. The reversal of 80220571 is 17502208.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80220571 - 2⁷ = 80220443 is a prime.

It is not a weakly prime, because it can be changed into another prime (80220521) 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 as a sum of consecutive naturals, namely, 40110285 + 40110286.

It is an arithmetic number, because the mean of its divisors is an integer number (40110286).

Almost surely, 2^80220571 is an apocalyptic number.

80220571 is a deficient number, since it is larger than the sum of its proper divisors (1).

80220571 is an equidigital number, since it uses as much as digits as its factorization.

80220571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 80220571 is about 8956.5937163634. The cubic root of 80220571 is about 431.2825794612.

Adding to 80220571 its reverse (17502208), we get a palindrome (97722779).

The spelling of 80220571 in words is "eighty million, two hundred twenty thousand, five hundred seventy-one".