334324021 has 4 divisors (see below), whose sum is σ = 348859872. Its totient is φ = 319788172.

The previous prime is 334324009. The next prime is 334324033. The reversal of 334324021 is 120423433.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 120423433 = 13 ⋅9263341.

It is an interprime number because it is at equal distance from previous prime (334324009) and next prime (334324033).

It is a cyclic number.

It is not a de Polignac number, because 334324021 - 2⁷ = 334323893 is a prime.

It is a super-2 number, since 2×334324021² = 223545102035216882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 334323983 and 334324001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (334324061) 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, 7267891 + ... + 7267936.

It is an arithmetic number, because the mean of its divisors is an integer number (87214968).

Almost surely, 2^334324021 is an apocalyptic number.

It is an amenable number.

334324021 is a deficient number, since it is larger than the sum of its proper divisors (14535851).

334324021 is a wasteful number, since it uses less digits than its factorization.

334324021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14535850.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 334324021 is about 18284.5295536965. The cubic root of 334324021 is about 694.0474994273.

Adding to 334324021 its reverse (120423433), we get a palindrome (454747454).

The spelling of 334324021 in words is "three hundred thirty-four million, three hundred twenty-four thousand, twenty-one".