3220423205555 has 16 divisors (see below), whose sum is σ = 4016772746784. Its totient is φ = 2476506481920.

The previous prime is 3220423205513. The next prime is 3220423205579. The reversal of 3220423205555 is 5555023240223.

3220423205555 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3220423205555 - 2³⁶ = 3151703728819 is a prime.

It is a super-2 number, since 2×3220423205555² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104850266 + ... + 104880975.

It is an arithmetic number, because the mean of its divisors is an integer number (251048296674).

Almost surely, 2^{3220423205555} is an apocalyptic number.

3220423205555 is a deficient number, since it is larger than the sum of its proper divisors (796349541229).

3220423205555 is a wasteful number, since it uses less digits than its factorization.

3220423205555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209731366.

The product of its (nonzero) digits is 360000, while the sum is 38.

Adding to 3220423205555 its reverse (5555023240223), we get a palindrome (8775446445778).

The spelling of 3220423205555 in words is "three trillion, two hundred twenty billion, four hundred twenty-three million, two hundred five thousand, five hundred fifty-five".