3220505323 has 4 divisors (see below), whose sum is σ = 3680577520. Its totient is φ = 2760433128.

The previous prime is 3220505297. The next prime is 3220505329. The reversal of 3220505323 is 3235050223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3235050223 = 1063 ⋅3043321.

It is a cyclic number.

It is not a de Polignac number, because 3220505323 - 2¹⁷ = 3220374251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3220505329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230036088 + ... + 230036101.

It is an arithmetic number, because the mean of its divisors is an integer number (920144380).

Almost surely, 2^3220505323 is an apocalyptic number.

3220505323 is a deficient number, since it is larger than the sum of its proper divisors (460072197).

3220505323 is an equidigital number, since it uses as much as digits as its factorization.

3220505323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460072196.

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

The square root of 3220505323 is about 56749.4962356495. The cubic root of 3220505323 is about 1476.7534941112.

Adding to 3220505323 its reverse (3235050223), we get a palindrome (6455555546).

The spelling of 3220505323 in words is "three billion, two hundred twenty million, five hundred five thousand, three hundred twenty-three".