3221232001 has 4 divisors (see below), whose sum is σ = 3469019092. Its totient is φ = 2973444912.

The previous prime is 3221231947. The next prime is 3221232023. The reversal of 3221232001 is 1002321223.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1301477776 + 1919754225 = 36076^2 + 43815^2 .

It is a cyclic number.

It is not a de Polignac number, because 3221232001 - 2²³ = 3212843393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3221232071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123893526 + ... + 123893551.

It is an arithmetic number, because the mean of its divisors is an integer number (867254773).

Almost surely, 2^3221232001 is an apocalyptic number.

It is an amenable number.

3221232001 is a deficient number, since it is larger than the sum of its proper divisors (247787091).

3221232001 is a wasteful number, since it uses less digits than its factorization.

3221232001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247787090.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3221232001 is about 56755.8983806970. The cubic root of 3221232001 is about 1476.8645577968.

Adding to 3221232001 its reverse (1002321223), we get a palindrome (4223553224).

The spelling of 3221232001 in words is "three billion, two hundred twenty-one million, two hundred thirty-two thousand, one".