3224209421 has 2 divisors, whose sum is σ = 3224209422. Its totient is φ = 3224209420.

The previous prime is 3224209411. The next prime is 3224209423. The reversal of 3224209421 is 1249024223.

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., 3216024100 + 8185321 = 56710^2 + 2861^2 .

It is a cyclic number.

It is not a de Polignac number, because 3224209421 - 2¹⁰ = 3224208397 is a prime.

Together with 3224209423, 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 (3224209423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1612104710 + 1612104711.

It is an arithmetic number, because the mean of its divisors is an integer number (1612104711).

Almost surely, 2^3224209421 is an apocalyptic number.

It is an amenable number.

3224209421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3224209421 is an equidigital number, since it uses as much as digits as its factorization.

3224209421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 3224209421 is about 56782.1223713943. The cubic root of 3224209421 is about 1477.3194450323.

The spelling of 3224209421 in words is "three billion, two hundred twenty-four million, two hundred nine thousand, four hundred twenty-one".