1680422228 has 24 divisors (see below), whose sum is σ = 3143448000. Its totient is φ = 784076480.

The previous prime is 1680422213. The next prime is 1680422279. The reversal of 1680422228 is 8222240861.

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 7 ways as a sum of consecutive naturals, for example, 218978 + ... + 226521.

It is an arithmetic number, because the mean of its divisors is an integer number (130977000).

Almost surely, 2^1680422228 is an apocalyptic number.

It is an amenable number.

1680422228 is a deficient number, since it is larger than the sum of its proper divisors (1463025772).

1680422228 is a wasteful number, since it uses less digits than its factorization.

1680422228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445567 (or 445565 counting only the distinct ones).

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

The square root of 1680422228 is about 40992.9533944555. The cubic root of 1680422228 is about 1188.8839730946.

The spelling of 1680422228 in words is "one billion, six hundred eighty million, four hundred twenty-two thousand, two hundred twenty-eight".