3421722225 has 24 divisors (see below), whose sum is σ = 5675713120. Its totient is φ = 1818961920.

The previous prime is 3421722163. The next prime is 3421722253. The reversal of 3421722225 is 5222271243.

It is not a de Polignac number, because 3421722225 - 2⁸ = 3421721969 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3421722192 and 3421722201.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 51280 + ... + 97329.

Almost surely, 2^3421722225 is an apocalyptic number.

It is an amenable number.

3421722225 is a deficient number, since it is larger than the sum of its proper divisors (2253990895).

3421722225 is a wasteful number, since it uses less digits than its factorization.

3421722225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148929 (or 148924 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 3421722225 is about 58495.4889286345. The cubic root of 3421722225 is about 1506.8901135423.

Adding to 3421722225 its reverse (5222271243), we get a palindrome (8643993468).

The spelling of 3421722225 in words is "three billion, four hundred twenty-one million, seven hundred twenty-two thousand, two hundred twenty-five".