3222509668225 has 9 divisors (see below), whose sum is σ = 3995923118467. Its totient is φ = 2578000554040.

The previous prime is 3222509668181. The next prime is 3222509668237. The reversal of 3222509668225 is 5228669052223.

The square root of 3222509668225 is 1795135.

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., 1160103480561 + 2062406187664 = 1077081^2 + 1436108^2 .

It is not a de Polignac number, because 3222509668225 - 2¹⁹ = 3222509143937 is a prime.

It is a Duffinian number.

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, 8796162 + ... + 9155188.

Almost surely, 2^{3222509668225} is an apocalyptic number.

3222509668225 is the 1795135-th square number.

3222509668225 is the 897568-th centered octagonal number.

It is an amenable number.

3222509668225 is a deficient number, since it is larger than the sum of its proper divisors (773413450242).

3222509668225 is an frugal number, since it uses more digits than its factorization.

3222509668225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718064 (or 359032 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 52.

The spelling of 3222509668225 in words is "three trillion, two hundred twenty-two billion, five hundred nine million, six hundred sixty-eight thousand, two hundred twenty-five".