682640222 has 64 divisors (see below), whose sum is σ = 1197504000. Its totient is φ = 288919680.

The previous prime is 682640209. The next prime is 682640237. The reversal of 682640222 is 222046286.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 4087583 + ... + 4087749.

It is an arithmetic number, because the mean of its divisors is an integer number (18711000).

Almost surely, 2^682640222 is an apocalyptic number.

682640222 is a deficient number, since it is larger than the sum of its proper divisors (514863778).

682640222 is a wasteful number, since it uses less digits than its factorization.

682640222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 682640222 is about 26127.3845227570. The cubic root of 682640222 is about 880.5025633129.

The spelling of 682640222 in words is "six hundred eighty-two million, six hundred forty thousand, two hundred twenty-two".