334221143 has 4 divisors (see below), whose sum is σ = 345746040. Its totient is φ = 322696248.

The previous prime is 334221131. The next prime is 334221157. The reversal of 334221143 is 341122433.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 334221143 - 2²⁴ = 317443927 is a prime.

It is a super-2 number, since 2×334221143² = 223407544856452898, which 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 (334221193) 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, 5762405 + ... + 5762462.

It is an arithmetic number, because the mean of its divisors is an integer number (86436510).

Almost surely, 2^334221143 is an apocalyptic number.

334221143 is a deficient number, since it is larger than the sum of its proper divisors (11524897).

334221143 is a wasteful number, since it uses less digits than its factorization.

334221143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11524896.

The product of its digits is 1728, while the sum is 23.

The square root of 334221143 is about 18281.7160846568. The cubic root of 334221143 is about 693.9763014882.

Adding to 334221143 its reverse (341122433), we get a palindrome (675343576).

The spelling of 334221143 in words is "three hundred thirty-four million, two hundred twenty-one thousand, one hundred forty-three".