3221330505 has 16 divisors (see below), whose sum is σ = 5157644544. Its totient is φ = 1716871040.

The previous prime is 3221330491. The next prime is 3221330507. The reversal of 3221330505 is 5050331223.

It is a happy number.

It is not a de Polignac number, because 3221330505 - 2⁵ = 3221330473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3221330507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50289 + ... + 94718.

It is an arithmetic number, because the mean of its divisors is an integer number (322352784).

Almost surely, 2^3221330505 is an apocalyptic number.

It is an amenable number.

3221330505 is a deficient number, since it is larger than the sum of its proper divisors (1936314039).

3221330505 is a wasteful number, since it uses less digits than its factorization.

3221330505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146496.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 3221330505 is about 56756.7661605205. The cubic root of 3221330505 is about 1476.8796116213.

Adding to 3221330505 its reverse (5050331223), we get a palindrome (8271661728).

The spelling of 3221330505 in words is "three billion, two hundred twenty-one million, three hundred thirty thousand, five hundred five".