3220233505 has 4 divisors (see below), whose sum is σ = 3864280212. Its totient is φ = 2576186800.

The previous prime is 3220233491. The next prime is 3220233539. The reversal of 3220233505 is 5053320223.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2031845776 + 1188387729 = 45076^2 + 34473^2 .

It is not a de Polignac number, because 3220233505 - 2¹³ = 3220225313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3220233505.

It is an unprimeable number.

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, 322023346 + ... + 322023355.

It is an arithmetic number, because the mean of its divisors is an integer number (966070053).

Almost surely, 2^3220233505 is an apocalyptic number.

It is an amenable number.

3220233505 is a deficient number, since it is larger than the sum of its proper divisors (644046707).

3220233505 is an equidigital number, since it uses as much as digits as its factorization.

3220233505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644046706.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 3220233505 is about 56747.1012916078. The cubic root of 3220233505 is about 1476.7119458204.

Adding to 3220233505 its reverse (5053320223), we get a palindrome (8273553728).

The spelling of 3220233505 in words is "three billion, two hundred twenty million, two hundred thirty-three thousand, five hundred five".