3302443021 has 2 divisors, whose sum is σ = 3302443022. Its totient is φ = 3302443020.

The previous prime is 3302443019. The next prime is 3302443099. The reversal of 3302443021 is 1203442033.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2937098025 + 365344996 = 54195^2 + 19114^2 .

It is a cyclic number.

It is not a de Polignac number, because 3302443021 - 2¹ = 3302443019 is a prime.

It is a super-2 number, since 2×3302443021² = 21812259813903212882, which contains 22 as substring.

Together with 3302443019, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3302442983 and 3302443001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3302443721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1651221510 + 1651221511.

It is an arithmetic number, because the mean of its divisors is an integer number (1651221511).

Almost surely, 2^3302443021 is an apocalyptic number.

It is an amenable number.

3302443021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3302443021 is an equidigital number, since it uses as much as digits as its factorization.

3302443021 is an evil number, because the sum of its binary digits is even.

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

The square root of 3302443021 is about 57466.8862998510. The cubic root of 3302443021 is about 1489.1728545753.

Adding to 3302443021 its reverse (1203442033), we get a palindrome (4505885054).

The spelling of 3302443021 in words is "three billion, three hundred two million, four hundred forty-three thousand, twenty-one".