682221456 has 60 divisors (see below), whose sum is σ = 2182028992. Its totient is φ = 194920128.

The previous prime is 682221451. The next prime is 682221461. The reversal of 682221456 is 654122286.

It is a happy number.

682221456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (682221451) and next prime (682221461).

It is a super-2 number, since 2×682221456² = 930852230053519872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 682221456.

It is not an unprimeable number, because it can be changed into a prime (682221451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 337396 + ... + 339411.

Almost surely, 2^682221456 is an apocalyptic number.

It is an amenable number.

682221456 is an abundant number, since it is smaller than the sum of its proper divisors (1499807536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

682221456 is a wasteful number, since it uses less digits than its factorization.

682221456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676828 (or 676819 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 682221456 is about 26119.3693645157. The cubic root of 682221456 is about 880.3224782313.

The spelling of 682221456 in words is "six hundred eighty-two million, two hundred twenty-one thousand, four hundred fifty-six".