3221207709798 has 16 divisors (see below), whose sum is σ = 6937985836656. Its totient is φ = 991140833760.

The previous prime is 3221207709793. The next prime is 3221207709869. The reversal of 3221207709798 is 8979077021223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221207709793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20648767293 + ... + 20648767448.

It is an arithmetic number, because the mean of its divisors is an integer number (433624114791).

Almost surely, 2^{3221207709798} is an apocalyptic number.

3221207709798 is an abundant number, since it is smaller than the sum of its proper divisors (3716778126858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3221207709798 is a wasteful number, since it uses less digits than its factorization.

3221207709798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41297534759.

The product of its (nonzero) digits is 5334336, while the sum is 57.

The spelling of 3221207709798 in words is "three trillion, two hundred twenty-one billion, two hundred seven million, seven hundred nine thousand, seven hundred ninety-eight".