3244402212421 has 4 divisors (see below), whose sum is σ = 3246010743052. Its totient is φ = 3242793681792.

The previous prime is 3244402212409. The next prime is 3244402212431. The reversal of 3244402212421 is 1242122044423.

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 2606577960100 + 637824252321 = 1614490^2 + 798639^2 .

It is a cyclic number.

It is not a de Polignac number, because 3244402212421 - 2¹⁹ = 3244401688133 is a prime.

It is a super-2 number, since 2×3244402212421² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3244402212431) 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, 804262290 + ... + 804266323.

It is an arithmetic number, because the mean of its divisors is an integer number (811502685763).

Almost surely, 2^{3244402212421} is an apocalyptic number.

It is an amenable number.

3244402212421 is a deficient number, since it is larger than the sum of its proper divisors (1608530631).

3244402212421 is a wasteful number, since it uses less digits than its factorization.

3244402212421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608530630.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 3244402212421 its reverse (1242122044423), we get a palindrome (4486524256844).

The spelling of 3244402212421 in words is "three trillion, two hundred forty-four billion, four hundred two million, two hundred twelve thousand, four hundred twenty-one".