3228685555 has 4 divisors (see below), whose sum is σ = 3874422672. Its totient is φ = 2582948440.

The previous prime is 3228685549. The next prime is 3228685597. The reversal of 3228685555 is 5555868223.

3228685555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5555868223 = 19 ⋅292414117.

It is not a de Polignac number, because 3228685555 - 2¹³ = 3228677363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3228685499 and 3228685508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322868551 + ... + 322868560.

It is an arithmetic number, because the mean of its divisors is an integer number (968605668).

Almost surely, 2^3228685555 is an apocalyptic number.

3228685555 is a deficient number, since it is larger than the sum of its proper divisors (645737117).

3228685555 is an equidigital number, since it uses as much as digits as its factorization.

3228685555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645737116.

The product of its digits is 2880000, while the sum is 49.

The square root of 3228685555 is about 56821.5236948113. The cubic root of 3228685555 is about 1478.0027776149.

The spelling of 3228685555 in words is "three billion, two hundred twenty-eight million, six hundred eighty-five thousand, five hundred fifty-five".