3221130025 has 9 divisors (see below), whose sum is σ = 3994553143. Its totient is φ = 2576677000.

The previous prime is 3221130001. The next prime is 3221130047. The reversal of 3221130025 is 5200311223.

The square root of 3221130025 is 56755.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1159606809 + 2061523216 = 34053^2 + 45404^2 .

It is not a de Polignac number, because 3221130025 - 2¹³ = 3221121833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3221129984 and 3221130011.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 278100 + ... + 289450.

Almost surely, 2^3221130025 is an apocalyptic number.

3221130025 is the 56755-th square number.

3221130025 is the 28378-th centered octagonal number.

It is an amenable number.

3221130025 is a deficient number, since it is larger than the sum of its proper divisors (773423118).

3221130025 is an frugal number, since it uses more digits than its factorization.

3221130025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22712 (or 11356 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The cubic root of 3221130025 is about 1476.8489730423.

Adding to 3221130025 its reverse (5200311223), we get a palindrome (8421441248).

The spelling of 3221130025 in words is "three billion, two hundred twenty-one million, one hundred thirty thousand, twenty-five".