3220335405 has 24 divisors (see below), whose sum is σ = 6379331712. Its totient is φ = 1472153184.

The previous prime is 3220335401. The next prime is 3220335407. The reversal of 3220335405 is 5045330223.

3220335405 is a `hidden beast` number, since 3 + 220 + 3 + 35 + 405 = 666.

It is not a de Polignac number, because 3220335405 - 2² = 3220335401 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220335401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5111329 + ... + 5111958.

It is an arithmetic number, because the mean of its divisors is an integer number (265805488).

Almost surely, 2^3220335405 is an apocalyptic number.

3220335405 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3220335405 is a deficient number, since it is larger than the sum of its proper divisors (3158996307).

3220335405 is a wasteful number, since it uses less digits than its factorization.

3220335405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10223305 (or 10223302 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 3220335405 is about 56747.9991277226. Note that the first 3 decimals coincide. The cubic root of 3220335405 is about 1476.7275218503.

Adding to 3220335405 its reverse (5045330223), we get a palindrome (8265665628).

The spelling of 3220335405 in words is "three billion, two hundred twenty million, three hundred thirty-five thousand, four hundred five".