3220289055 has 20 divisors (see below), whose sum is σ = 5772667032. Its totient is φ = 1717487280.

The previous prime is 3220289027. The next prime is 3220289057. The reversal of 3220289055 is 5509820223.

3220289055 is a `hidden beast` number, since 322 + 0 + 289 + 0 + 55 = 666.

It is not a de Polignac number, because 3220289055 - 2⁶ = 3220288991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220289057) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3975261 + ... + 3976070.

Almost surely, 2^3220289055 is an apocalyptic number.

3220289055 is a deficient number, since it is larger than the sum of its proper divisors (2552377977).

3220289055 is an equidigital number, since it uses as much as digits as its factorization.

3220289055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7951348 (or 7951339 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 3220289055 is about 56747.5907418104. The cubic root of 3220289055 is about 1476.7204370138.

The spelling of 3220289055 in words is "three billion, two hundred twenty million, two hundred eighty-nine thousand, fifty-five".