3404214212221 has 4 divisors (see below), whose sum is σ = 3404450811100. Its totient is φ = 3403977613344.

The previous prime is 3404214212213. The next prime is 3404214212261. The reversal of 3404214212221 is 1222124124043.

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 2472004652121 + 932209560100 = 1572261^2 + 965510^2 .

It is a cyclic number.

It is not a de Polignac number, because 3404214212221 - 2³ = 3404214212213 is a prime.

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 3404214212221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3404214212261) 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, 118277856 + ... + 118306633.

It is an arithmetic number, because the mean of its divisors is an integer number (851112702775).

Almost surely, 2^{3404214212221} is an apocalyptic number.

It is an amenable number.

3404214212221 is a deficient number, since it is larger than the sum of its proper divisors (236598879).

3404214212221 is a wasteful number, since it uses less digits than its factorization.

3404214212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236598878.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 3404214212221 its reverse (1222124124043), we get a palindrome (4626338336264).

The spelling of 3404214212221 in words is "three trillion, four hundred four billion, two hundred fourteen million, two hundred twelve thousand, two hundred twenty-one".