3321330421 has 16 divisors (see below), whose sum is σ = 3490905600. Its totient is φ = 3156053760.

The previous prime is 3321330401. The next prime is 3321330427. The reversal of 3321330421 is 1240331233.

It is a cyclic number.

It is not a de Polignac number, because 3321330421 - 2²⁷ = 3187112693 is a prime.

It is a super-2 number, since 2×3321330421² = 22062471530920074482, 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 = 3321330392 and 3321330401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3321330427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 524130 + ... + 530428.

It is an arithmetic number, because the mean of its divisors is an integer number (218181600).

Almost surely, 2^3321330421 is an apocalyptic number.

3321330421 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3321330421 is a deficient number, since it is larger than the sum of its proper divisors (169575179).

3321330421 is a wasteful number, since it uses less digits than its factorization.

3321330421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6636.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 3321330421 is about 57630.9849039560. The cubic root of 3321330421 is about 1492.0064288081.

Adding to 3321330421 its reverse (1240331233), we get a palindrome (4561661654).

The spelling of 3321330421 in words is "three billion, three hundred twenty-one million, three hundred thirty thousand, four hundred twenty-one".