982013221 has 16 divisors (see below), whose sum is σ = 1177899264. Its totient is φ = 800452224.

The previous prime is 982013209. The next prime is 982013239. The reversal of 982013221 is 122310289.

It is a cyclic number.

It is not a de Polignac number, because 982013221 - 2⁷ = 982013093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 982013221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (982013251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10225 + ... + 45481.

It is an arithmetic number, because the mean of its divisors is an integer number (73618704).

Almost surely, 2^982013221 is an apocalyptic number.

It is an amenable number.

982013221 is a deficient number, since it is larger than the sum of its proper divisors (195886043).

982013221 is a wasteful number, since it uses less digits than its factorization.

982013221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35460.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 982013221 is about 31337.0901808065. The cubic root of 982013221 is about 993.9680962923.

The spelling of 982013221 in words is "nine hundred eighty-two million, thirteen thousand, two hundred twenty-one".