80133221 has 4 divisors (see below), whose sum is σ = 91580832. Its totient is φ = 68685612.

The previous prime is 80133211. The next prime is 80133253. The reversal of 80133221 is 12233108.

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 a cyclic number.

It is not a de Polignac number, because 80133221 - 2²⁶ = 13024357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80133193 and 80133202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80133211) 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, 5723795 + ... + 5723808.

It is an arithmetic number, because the mean of its divisors is an integer number (22895208).

Almost surely, 2^80133221 is an apocalyptic number.

It is an amenable number.

80133221 is a deficient number, since it is larger than the sum of its proper divisors (11447611).

80133221 is a wasteful number, since it uses less digits than its factorization.

80133221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11447610.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 80133221 is about 8951.7160924596. The cubic root of 80133221 is about 431.1259853165.

Adding to 80133221 its reverse (12233108), we get a palindrome (92366329).

The spelling of 80133221 in words is "eighty million, one hundred thirty-three thousand, two hundred twenty-one".