1680228226 has 8 divisors (see below), whose sum is σ = 2521224000. Its totient is φ = 839820228.

The previous prime is 1680228217. The next prime is 1680228229. The reversal of 1680228226 is 6228220861.

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

It is not an unprimeable number, because it can be changed into a prime (1680228229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139726 + ... + 151273.

It is an arithmetic number, because the mean of its divisors is an integer number (315153000).

Almost surely, 2^1680228226 is an apocalyptic number.

1680228226 is a deficient number, since it is larger than the sum of its proper divisors (840995774).

1680228226 is a wasteful number, since it uses less digits than its factorization.

1680228226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293888.

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 1680228226 is about 40990.5870414172. The cubic root of 1680228226 is about 1188.8382197632.

The spelling of 1680228226 in words is "one billion, six hundred eighty million, two hundred twenty-eight thousand, two hundred twenty-six".