3332243021 has 2 divisors, whose sum is σ = 3332243022. Its totient is φ = 3332243020.

The previous prime is 3332243011. The next prime is 3332243023. The reversal of 3332243021 is 1203422333.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2781402121 + 550840900 = 52739^2 + 23470^2 .

It is a cyclic number.

It is not a de Polignac number, because 3332243021 - 2¹⁸ = 3331980877 is a prime.

It is a super-2 number, since 2×3332243021² = 22207687102006412882, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 3332243023, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3332243023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1666121510 + 1666121511.

It is an arithmetic number, because the mean of its divisors is an integer number (1666121511).

Almost surely, 2^3332243021 is an apocalyptic number.

It is an amenable number.

3332243021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3332243021 is an equidigital number, since it uses as much as digits as its factorization.

3332243021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 3332243021 is about 57725.5837649131. The cubic root of 3332243021 is about 1493.6386933956.

Adding to 3332243021 its reverse (1203422333), we get a palindrome (4535665354).

The spelling of 3332243021 in words is "three billion, three hundred thirty-two million, two hundred forty-three thousand, twenty-one".