3442230821 has 2 divisors, whose sum is σ = 3442230822. Its totient is φ = 3442230820.

The previous prime is 3442230787. The next prime is 3442230823. The reversal of 3442230821 is 1280322443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2367309025 + 1074921796 = 48655^2 + 32786^2 .

It is an emirp because it is prime and its reverse (1280322443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3442230821 - 2¹⁴ = 3442214437 is a prime.

Together with 3442230823, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3442230823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1721115410 + 1721115411.

It is an arithmetic number, because the mean of its divisors is an integer number (1721115411).

Almost surely, 2^3442230821 is an apocalyptic number.

It is an amenable number.

3442230821 is a deficient number, since it is larger than the sum of its proper divisors (1).

3442230821 is an equidigital number, since it uses as much as digits as its factorization.

3442230821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 3442230821 is about 58670.5277034390. The cubic root of 3442230821 is about 1509.8947079484.

The spelling of 3442230821 in words is "three billion, four hundred forty-two million, two hundred thirty thousand, eight hundred twenty-one".