3345344021 has 8 divisors (see below), whose sum is σ = 3365320224. Its totient is φ = 3325407120.

The previous prime is 3345344017. The next prime is 3345344081. The reversal of 3345344021 is 1204435433.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3345344021 - 2² = 3345344017 is a prime.

It is a super-2 number, since 2×3345344021² = 22382653237680896882, 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 (3345344081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170690 + ... + 189276.

It is an arithmetic number, because the mean of its divisors is an integer number (420665028).

Almost surely, 2^3345344021 is an apocalyptic number.

It is an amenable number.

3345344021 is a deficient number, since it is larger than the sum of its proper divisors (19976203).

3345344021 is a wasteful number, since it uses less digits than its factorization.

3345344021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19651.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 3345344021 is about 57838.9489963295. The cubic root of 3345344021 is about 1495.5935900054.

Adding to 3345344021 its reverse (1204435433), we get a palindrome (4549779454).

The spelling of 3345344021 in words is "three billion, three hundred forty-five million, three hundred forty-four thousand, twenty-one".