682640022 has 16 divisors (see below), whose sum is σ = 1379356272. Its totient is φ = 225200640.

The previous prime is 682640011. The next prime is 682640033. The reversal of 682640022 is 220046286.

It is an interprime number because it is at equal distance from previous prime (682640011) and next prime (682640033).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585879 + ... + 587042.

It is an arithmetic number, because the mean of its divisors is an integer number (86209767).

Almost surely, 2^682640022 is an apocalyptic number.

682640022 is an abundant number, since it is smaller than the sum of its proper divisors (696716250).

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

682640022 is a wasteful number, since it uses less digits than its factorization.

682640022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173023.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 682640022 is about 26127.3806953548. The cubic root of 682640022 is about 880.5024773230.

The spelling of 682640022 in words is "six hundred eighty-two million, six hundred forty thousand, twenty-two".