3205605227 has 4 divisors (see below), whose sum is σ = 3497023896. Its totient is φ = 2914186560.

The previous prime is 3205605203. The next prime is 3205605229. The reversal of 3205605227 is 7225065023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7225065023 = 11 ⋅656824093.

It is a cyclic number.

It is not a de Polignac number, because 3205605227 - 2⁶ = 3205605163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3205605193 and 3205605202.

It is not an unprimeable number, because it can be changed into a prime (3205605229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145709318 + ... + 145709339.

It is an arithmetic number, because the mean of its divisors is an integer number (874255974).

Almost surely, 2^3205605227 is an apocalyptic number.

3205605227 is a deficient number, since it is larger than the sum of its proper divisors (291418669).

3205605227 is a wasteful number, since it uses less digits than its factorization.

3205605227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291418668.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 3205605227 is about 56618.0644935872. The cubic root of 3205605227 is about 1474.4725072714.

The spelling of 3205605227 in words is "three billion, two hundred five million, six hundred five thousand, two hundred twenty-seven".