3423924221 has 2 divisors, whose sum is σ = 3423924222. Its totient is φ = 3423924220.

The previous prime is 3423924211. The next prime is 3423924223. The reversal of 3423924221 is 1224293243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3011265625 + 412658596 = 54875^2 + 20314^2 .

It is a cyclic number.

It is not a de Polignac number, because 3423924221 - 2³⁰ = 2350182397 is a prime.

Together with 3423924223, 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 (3423924223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1711962110 + 1711962111.

It is an arithmetic number, because the mean of its divisors is an integer number (1711962111).

Almost surely, 2^3423924221 is an apocalyptic number.

It is an amenable number.

3423924221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3423924221 is an equidigital number, since it uses as much as digits as its factorization.

3423924221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 32.

The square root of 3423924221 is about 58514.3078315039. The cubic root of 3423924221 is about 1507.2132894416.

The spelling of 3423924221 in words is "three billion, four hundred twenty-three million, nine hundred twenty-four thousand, two hundred twenty-one".