682003221 has 4 divisors (see below), whose sum is σ = 909337632. Its totient is φ = 454668812.

The previous prime is 682003211. The next prime is 682003313. The reversal of 682003221 is 122300286.

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 682003221 - 2²¹ = 679906069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 682003191 and 682003200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682003211) 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 3 ways as a sum of consecutive naturals, for example, 113667201 + ... + 113667206.

It is an arithmetic number, because the mean of its divisors is an integer number (227334408).

Almost surely, 2^682003221 is an apocalyptic number.

It is an amenable number.

682003221 is a deficient number, since it is larger than the sum of its proper divisors (227334411).

682003221 is a wasteful number, since it uses less digits than its factorization.

682003221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227334410.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 682003221 is about 26115.1913835606. The cubic root of 682003221 is about 880.2285997879.

The spelling of 682003221 in words is "six hundred eighty-two million, three thousand, two hundred twenty-one".