3221561104 has 20 divisors (see below), whose sum is σ = 6244952976. Its totient is φ = 1609960352.

The previous prime is 3221561071. The next prime is 3221561107. The reversal of 3221561104 is 4011651223.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3221561107) 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, 18214 + ... + 82309.

Almost surely, 2^3221561104 is an apocalyptic number.

It is an amenable number.

3221561104 is a deficient number, since it is larger than the sum of its proper divisors (3023391872).

3221561104 is a wasteful number, since it uses less digits than its factorization.

3221561104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102534 (or 102528 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 3221561104 is about 56758.7975912105. The cubic root of 3221561104 is about 1476.9148515979.

The spelling of 3221561104 in words is "three billion, two hundred twenty-one million, five hundred sixty-one thousand, one hundred four".