3221202001 has 4 divisors (see below), whose sum is σ = 3221672500. Its totient is φ = 3220731504.

The previous prime is 3221201987. The next prime is 3221202013. The reversal of 3221202001 is 1002021223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1002021223 = 7 ⋅143145889.

It can be written as a sum of positive squares in 2 ways, for example, as 2462144400 + 759057601 = 49620^2 + 27551^2 .

It is a cyclic number.

It is not a de Polignac number, because 3221202001 - 2⁵ = 3221201969 is a prime.

It is a super-2 number, since 2×3221202001² = 20752284662492808002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3221202071) 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, 224826 + ... + 238723.

It is an arithmetic number, because the mean of its divisors is an integer number (805418125).

Almost surely, 2^3221202001 is an apocalyptic number.

It is an amenable number.

3221202001 is a deficient number, since it is larger than the sum of its proper divisors (470499).

3221202001 is an equidigital number, since it uses as much as digits as its factorization.

3221202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470498.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 3221202001 is about 56755.6340903703. The cubic root of 3221202001 is about 1476.8599730008.

Adding to 3221202001 its reverse (1002021223), we get a palindrome (4223223224).

The spelling of 3221202001 in words is "three billion, two hundred twenty-one million, two hundred two thousand, one".