334171421 has 2 divisors, whose sum is σ = 334171422. Its totient is φ = 334171420.

The previous prime is 334171399. The next prime is 334171423. The reversal of 334171421 is 124171433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193488100 + 140683321 = 13910^2 + 11861^2 .

It is an emirp because it is prime and its reverse (124171433) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 334171421 - 2¹⁴ = 334155037 is a prime.

It is a super-2 number, since 2×334171421² = 223341077226318482, which contains 22 as substring.

Together with 334171423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (334171423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167085710 + 167085711.

It is an arithmetic number, because the mean of its divisors is an integer number (167085711).

Almost surely, 2^334171421 is an apocalyptic number.

It is an amenable number.

334171421 is a deficient number, since it is larger than the sum of its proper divisors (1).

334171421 is an equidigital number, since it uses as much as digits as its factorization.

334171421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 26.

The square root of 334171421 is about 18280.3561507975. The cubic root of 334171421 is about 693.9418855517.

The spelling of 334171421 in words is "three hundred thirty-four million, one hundred seventy-one thousand, four hundred twenty-one".