9080221 has 4 divisors (see below), whose sum is σ = 9092412. Its totient is φ = 9068032.

The previous prime is 9080213. The next prime is 9080231. The reversal of 9080221 is 1220809.

9080221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1220809 = 197 ⋅6197.

It can be written as a sum of positive squares in 2 ways, for example, as 5616900 + 3463321 = 2370^2 + 1861^2 .

It is a cyclic number.

It is not a de Polignac number, because 9080221 - 2³ = 9080213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9080192 and 9080201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9080231) 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, 4900 + ... + 6493.

It is an arithmetic number, because the mean of its divisors is an integer number (2273103).

Almost surely, 2^9080221 is an apocalyptic number.

It is an amenable number.

9080221 is a deficient number, since it is larger than the sum of its proper divisors (12191).

9080221 is a wasteful number, since it uses less digits than its factorization.

9080221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12190.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 9080221 is about 3013.3405051537. The cubic root of 9080221 is about 208.6245788243.

The spelling of 9080221 in words is "nine million, eighty thousand, two hundred twenty-one".