3235221421 has 2 divisors, whose sum is σ = 3235221422. Its totient is φ = 3235221420.

The previous prime is 3235221403. The next prime is 3235221439. The reversal of 3235221421 is 1241225323.

It is a balanced prime because it is at equal distance from previous prime (3235221403) and next prime (3235221439).

It can be written as a sum of positive squares in only one way, i.e., 2062158921 + 1173062500 = 45411^2 + 34250^2 .

It is a cyclic number.

It is not a de Polignac number, because 3235221421 - 2⁷ = 3235221293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3235221461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1617610710 + 1617610711.

It is an arithmetic number, because the mean of its divisors is an integer number (1617610711).

Almost surely, 2^3235221421 is an apocalyptic number.

It is an amenable number.

3235221421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3235221421 is an equidigital number, since it uses as much as digits as its factorization.

3235221421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 25.

The square root of 3235221421 is about 56879.0068566602. The cubic root of 3235221421 is about 1478.9994181936. Note that the first 3 decimals are identical.

Adding to 3235221421 its reverse (1241225323), we get a palindrome (4476446744).

The spelling of 3235221421 in words is "three billion, two hundred thirty-five million, two hundred twenty-one thousand, four hundred twenty-one".