1680822242 has 8 divisors (see below), whose sum is σ = 2750436432. Its totient is φ = 764010100.

The previous prime is 1680822239. The next prime is 1680822287. The reversal of 1680822242 is 2422280861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1680822242³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38200484 + ... + 38200527.

It is an arithmetic number, because the mean of its divisors is an integer number (343804554).

Almost surely, 2^1680822242 is an apocalyptic number.

1680822242 is a deficient number, since it is larger than the sum of its proper divisors (1069614190).

1680822242 is a wasteful number, since it uses less digits than its factorization.

1680822242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76401024.

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 1680822242 is about 40997.8321622010. The cubic root of 1680822242 is about 1188.9783010746.

The spelling of 1680822242 in words is "one billion, six hundred eighty million, eight hundred twenty-two thousand, two hundred forty-two".