3221240201 has 8 divisors (see below), whose sum is σ = 3285364104. Its totient is φ = 3157240320.

The previous prime is 3221240161. The next prime is 3221240233. The reversal of 3221240201 is 1020421223.

It can be written as a sum of positive squares in 4 ways, for example, as 373416976 + 2847823225 = 19324^2 + 53365^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3221240201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3221240201.

It is not an unprimeable number, because it can be changed into a prime (3221240501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22361 + ... + 83321.

It is an arithmetic number, because the mean of its divisors is an integer number (410670513).

Almost surely, 2^3221240201 is an apocalyptic number.

It is an amenable number.

3221240201 is a deficient number, since it is larger than the sum of its proper divisors (64123903).

3221240201 is an equidigital number, since it uses as much as digits as its factorization.

3221240201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62011.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 3221240201 is about 56755.9706198388. The cubic root of 3221240201 is about 1476.8658109694.

Adding to 3221240201 its reverse (1020421223), we get a palindrome (4241661424).

The spelling of 3221240201 in words is "three billion, two hundred twenty-one million, two hundred forty thousand, two hundred one".