3221212301 has 8 divisors (see below), whose sum is σ = 3236472984. Its totient is φ = 3205984320.

The previous prime is 3221212279. The next prime is 3221212331. The reversal of 3221212301 is 1032121223.

It can be written as a sum of positive squares in 4 ways, for example, as 9156676 + 3212055625 = 3026^2 + 56675^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3221212301 - 2⁶ = 3221212237 is a prime.

It is a super-2 number, since 2×3221212301² = 20752417376227429202, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3221212301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221212331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201851 + ... + 217223.

It is an arithmetic number, because the mean of its divisors is an integer number (404559123).

Almost surely, 2^3221212301 is an apocalyptic number.

It is an amenable number.

3221212301 is a deficient number, since it is larger than the sum of its proper divisors (15260683).

3221212301 is a wasteful number, since it uses less digits than its factorization.

3221212301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16351.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3221212301 is about 56755.7248301878. The cubic root of 3221212301 is about 1476.8615471173.

Adding to 3221212301 its reverse (1032121223), we get a palindrome (4253333524).

The spelling of 3221212301 in words is "three billion, two hundred twenty-one million, two hundred twelve thousand, three hundred one".