3221061698 has 8 divisors (see below), whose sum is σ = 4850393292. Its totient is φ = 1604263936.

The previous prime is 3221061661. The next prime is 3221061713. The reversal of 3221061698 is 8961601223.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3212282329 + 8779369 = 56677^2 + 2963^2 .

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

It is a Curzon number.

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, 3132815 + ... + 3133842.

Almost surely, 2^3221061698 is an apocalyptic number.

3221061698 is a deficient number, since it is larger than the sum of its proper divisors (1629331594).

3221061698 is a wasteful number, since it uses less digits than its factorization.

3221061698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6266916.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 3221061698 is about 56754.3980498428. The cubic root of 3221061698 is about 1476.8385306021.

The spelling of 3221061698 in words is "three billion, two hundred twenty-one million, sixty-one thousand, six hundred ninety-eight".