9646832224225 has 27 divisors (see below), whose sum is σ = 13915220105241. Its totient is φ = 6614896125600.

The previous prime is 9646832224217. The next prime is 9646832224243. The reversal of 9646832224225 is 5224222386469.

The square root of 9646832224225 is 3105935.

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

It can be written as a sum of positive squares in 4 ways, for example, as 1773241120161 + 7873591104064 = 1331631^2 + 2805992^2 .

It is not a de Polignac number, because 9646832224225 - 2³ = 9646832224217 is a prime.

It is a super-2 number, since 2×9646832224225² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 108663355 + ... + 108752095.

Almost surely, 2^{9646832224225} is an apocalyptic number.

9646832224225 is the 3105935-th square number.

9646832224225 is the 1552968-th centered octagonal number.

It is an amenable number.

9646832224225 is a deficient number, since it is larger than the sum of its proper divisors (4268387881016).

9646832224225 is an frugal number, since it uses more digits than its factorization.

9646832224225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177506 (or 88753 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 55.

The spelling of 9646832224225 in words is "nine trillion, six hundred forty-six billion, eight hundred thirty-two million, two hundred twenty-four thousand, two hundred twenty-five".