3324221021 has 24 divisors (see below), whose sum is σ = 3886275960. Its totient is φ = 2831431680.

The previous prime is 3324220997. The next prime is 3324221039. The reversal of 3324221021 is 1201224233.

3324221021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2845048921 + 479172100 = 53339^2 + 21890^2 .

It is not a de Polignac number, because 3324221021 - 2⁶ = 3324220957 is a prime.

It is a super-2 number, since 2×3324221021² = 22100890792916564882, 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 = 3324220984 and 3324221002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3324221071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 467525 + ... + 474581.

It is an arithmetic number, because the mean of its divisors is an integer number (161928165).

Almost surely, 2^3324221021 is an apocalyptic number.

It is an amenable number.

3324221021 is a deficient number, since it is larger than the sum of its proper divisors (562054939).

3324221021 is a wasteful number, since it uses less digits than its factorization.

3324221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7325 (or 7314 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3324221021 is about 57656.0579731220. The cubic root of 3324221021 is about 1492.4391412737.

Adding to 3324221021 its reverse (1201224233), we get a palindrome (4525445254).

The spelling of 3324221021 in words is "three billion, three hundred twenty-four million, two hundred twenty-one thousand, twenty-one".