3225422521421 has 2 divisors, whose sum is σ = 3225422521422. Its totient is φ = 3225422521420.

The previous prime is 3225422521417. The next prime is 3225422521439. The reversal of 3225422521421 is 1241252245223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3189099498025 + 36323023396 = 1785805^2 + 190586^2 .

It is a cyclic number.

It is not a de Polignac number, because 3225422521421 - 2² = 3225422521417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3225422521441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1612711260710 + 1612711260711.

It is an arithmetic number, because the mean of its divisors is an integer number (1612711260711).

Almost surely, 2^{3225422521421} is an apocalyptic number.

It is an amenable number.

3225422521421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3225422521421 is an equidigital number, since it uses as much as digits as its factorization.

3225422521421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76800, while the sum is 35.

Adding to 3225422521421 its reverse (1241252245223), we get a palindrome (4466674766644).

The spelling of 3225422521421 in words is "three trillion, two hundred twenty-five billion, four hundred twenty-two million, five hundred twenty-one thousand, four hundred twenty-one".