3220545346 has 8 divisors (see below), whose sum is σ = 4842630540. Its totient is φ = 1606335168.

The previous prime is 3220545343. The next prime is 3220545359. The reversal of 3220545346 is 6435450223.

It can be written as a sum of positive squares in 2 ways, for example, as 2127515625 + 1093029721 = 46125^2 + 33061^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3220545343) 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, 1967731 + ... + 1969366.

Almost surely, 2^3220545346 is an apocalyptic number.

3220545346 is a deficient number, since it is larger than the sum of its proper divisors (1622085194).

3220545346 is a wasteful number, since it uses less digits than its factorization.

3220545346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3937508.

The product of its (nonzero) digits is 86400, while the sum is 34.

The square root of 3220545346 is about 56749.8488632349. The cubic root of 3220545346 is about 1476.7596115632.

Adding to 3220545346 its reverse (6435450223), we get a palindrome (9655995569).

The spelling of 3220545346 in words is "three billion, two hundred twenty million, five hundred forty-five thousand, three hundred forty-six".