334144314221 has 4 divisors (see below), whose sum is σ = 334309980252. Its totient is φ = 333978648192.

The previous prime is 334144314191. The next prime is 334144314263. The reversal of 334144314221 is 122413441433.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122413441433 = 19 ⋅6442812707.

It can be written as a sum of positive squares in 2 ways, for example, as 225326798596 + 108817515625 = 474686^2 + 329875^2 .

It is a cyclic number.

It is not a de Polignac number, because 334144314221 - 2¹⁰ = 334144313197 is a prime.

It is a super-2 number, since 2×334144314221² (a number of 24 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 (334144314271) 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, 82829990 + ... + 82834023.

It is an arithmetic number, because the mean of its divisors is an integer number (83577495063).

Almost surely, 2^334144314221 is an apocalyptic number.

It is an amenable number.

334144314221 is a deficient number, since it is larger than the sum of its proper divisors (165666031).

334144314221 is a wasteful number, since it uses less digits than its factorization.

334144314221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165666030.

The product of its digits is 27648, while the sum is 32.

Adding to 334144314221 its reverse (122413441433), we get a palindrome (456557755654).

The spelling of 334144314221 in words is "three hundred thirty-four billion, one hundred forty-four million, three hundred fourteen thousand, two hundred twenty-one".