3225001420421 has 12 divisors (see below), whose sum is σ = 3545141399436. Its totient is φ = 2931567112320.

The previous prime is 3225001420393. The next prime is 3225001420439. The reversal of 3225001420421 is 1240241005223.

It can be written as a sum of positive squares in 2 ways, for example, as 1977077839396 + 1247923581025 = 1406086^2 + 1117105^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3225001420421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3225001428421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 271661 + ... + 2554173.

It is an arithmetic number, because the mean of its divisors is an integer number (295428449953).

Almost surely, 2^{3225001420421} is an apocalyptic number.

It is an amenable number.

3225001420421 is a deficient number, since it is larger than the sum of its proper divisors (320139979015).

3225001420421 is a wasteful number, since it uses less digits than its factorization.

3225001420421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294212 (or 2294201 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 3225001420421 its reverse (1240241005223), we get a palindrome (4465242425644).

The spelling of 3225001420421 in words is "three trillion, two hundred twenty-five billion, one million, four hundred twenty thousand, four hundred twenty-one".