3447204922225 has 9 divisors (see below), whose sum is σ = 4274545614913. Its totient is φ = 2757756511120.

The previous prime is 3447204922207. The next prime is 3447204922253. The reversal of 3447204922225 is 5222294027443.

The square root of 3447204922225 is 1856665.

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

3447204922225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3713329 + 3447201208896 = 1927^2 + 1856664^2 .

It is not a de Polignac number, because 3447204922225 - 2³⁵ = 3412845183857 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, 9097659 + ... + 9468991.

Almost surely, 2^{3447204922225} is an apocalyptic number.

3447204922225 is the 1856665-th square number.

3447204922225 is the 928333-rd centered octagonal number.

It is an amenable number.

3447204922225 is a deficient number, since it is larger than the sum of its proper divisors (827340692688).

3447204922225 is an frugal number, since it uses more digits than its factorization.

3447204922225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742676 (or 371338 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 46.

Adding to 3447204922225 its reverse (5222294027443), we get a palindrome (8669498949668).

The spelling of 3447204922225 in words is "three trillion, four hundred forty-seven billion, two hundred four million, nine hundred twenty-two thousand, two hundred twenty-five".