980221 has 6 divisors (see below), whose sum is σ = 1077566. Its totient is φ = 891000.

The previous prime is 980219. The next prime is 980249. The reversal of 980221 is 122089.

It can be written as a sum of positive squares in only one way, i.e., 980100 + 121 = 990^2 + 11^2 .

It is not a de Polignac number, because 980221 - 2¹ = 980219 is a prime.

It is a Duffinian number.

980221 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 980192 and 980201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3930 + ... + 4171.

2⁹⁸⁰²²¹ is an apocalyptic number.

It is an amenable number.

980221 is a deficient number, since it is larger than the sum of its proper divisors (97345).

980221 is a wasteful number, since it uses less digits than its factorization.

980221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8123 (or 8112 counting only the distinct ones).

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

The square root of 980221 is about 990.0611092251. The cubic root of 980221 is about 99.3363048323.

The spelling of 980221 in words is "nine hundred eighty thousand, two hundred twenty-one".