3221203340 has 12 divisors (see below), whose sum is σ = 6764527056. Its totient is φ = 1288481328.

The previous prime is 3221203339. The next prime is 3221203343. The reversal of 3221203340 is 433021223.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 161060167 = 3221203340 / (3 + 2 + 2 + 1 + 2 + 0 + 3 + 3 + 4 + 0).

It is not an unprimeable number, because it can be changed into a prime (3221203343) 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, 80530064 + ... + 80530103.

It is an arithmetic number, because the mean of its divisors is an integer number (563710588).

Almost surely, 2^3221203340 is an apocalyptic number.

It is an amenable number.

3221203340 is an abundant number, since it is smaller than the sum of its proper divisors (3543323716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3221203340 is a wasteful number, since it uses less digits than its factorization.

3221203340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161060176 (or 161060174 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 3221203340 is about 56755.6458865548. The cubic root of 3221203340 is about 1476.8601776362.

Adding to 3221203340 its reverse (433021223), we get a palindrome (3654224563).

The spelling of 3221203340 in words is "three billion, two hundred twenty-one million, two hundred three thousand, three hundred forty".