3344403402221 has 16 divisors (see below), whose sum is σ = 3954722192640. Its totient is φ = 2767258717440.

The previous prime is 3344403402191. The next prime is 3344403402229. The reversal of 3344403402221 is 1222043044433.

It is not a de Polignac number, because 3344403402221 - 2³⁴ = 3327223533037 is a prime.

It is a super-2 number, since 2×3344403402221² (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 (3344403402229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479825 + ... + 2630406.

It is an arithmetic number, because the mean of its divisors is an integer number (247170137040).

Almost surely, 2^{3344403402221} is an apocalyptic number.

It is an amenable number.

3344403402221 is a deficient number, since it is larger than the sum of its proper divisors (610318790419).

3344403402221 is a wasteful number, since it uses less digits than its factorization.

3344403402221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115564.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 3344403402221 its reverse (1222043044433), we get a palindrome (4566446446654).

The spelling of 3344403402221 in words is "three trillion, three hundred forty-four billion, four hundred three million, four hundred two thousand, two hundred twenty-one".