3443221469 has 2 divisors, whose sum is σ = 3443221470. Its totient is φ = 3443221468.

The previous prime is 3443221391. The next prime is 3443221471. The reversal of 3443221469 is 9641223443.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3234765625 + 208455844 = 56875^2 + 14438^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3443221469 is a prime.

It is a super-2 number, since 2×3443221469² = 23711548169165035922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 3443221471, 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 (3443221489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1721610734 + 1721610735.

It is an arithmetic number, because the mean of its divisors is an integer number (1721610735).

Almost surely, 2^3443221469 is an apocalyptic number.

It is an amenable number.

3443221469 is a deficient number, since it is larger than the sum of its proper divisors (1).

3443221469 is an equidigital number, since it uses as much as digits as its factorization.

3443221469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 38.

The square root of 3443221469 is about 58678.9695632089. The cubic root of 3443221469 is about 1510.0395394819.

The spelling of 3443221469 in words is "three billion, four hundred forty-three million, two hundred twenty-one thousand, four hundred sixty-nine".