3220345355 has 8 divisors (see below), whose sum is σ = 3869869200. Its totient is φ = 2572639776.

The previous prime is 3220345351. The next prime is 3220345363. The reversal of 3220345355 is 5535430223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3220345355 - 2² = 3220345351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3220345351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450665 + ... + 457754.

It is an arithmetic number, because the mean of its divisors is an integer number (483733650).

Almost surely, 2^3220345355 is an apocalyptic number.

3220345355 is a deficient number, since it is larger than the sum of its proper divisors (649523845).

3220345355 is an equidigital number, since it uses as much as digits as its factorization.

3220345355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909133.

The product of its (nonzero) digits is 54000, while the sum is 32.

The square root of 3220345355 is about 56748.0867959441. The cubic root of 3220345355 is about 1476.7290427502.

Adding to 3220345355 its reverse (5535430223), we get a palindrome (8755775578).

The spelling of 3220345355 in words is "three billion, two hundred twenty million, three hundred forty-five thousand, three hundred fifty-five".