8229211225 has 9 divisors (see below), whose sum is σ = 10204784383. Its totient is φ = 6583006120.

The previous prime is 8229211219. The next prime is 8229211231. The reversal of 8229211225 is 5221129228.

It is a happy number.

The square root of 8229211225 is 90715.

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

8229211225 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8229211219) and next prime (8229211231).

It can be written as a sum of positive squares in only one way, i.e., 2962516041 + 5266695184 = 54429^2 + 72572^2 .

It is not a de Polignac number, because 8229211225 - 2⁹ = 8229210713 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, 444504 + ... + 462646.

Almost surely, 2^8229211225 is an apocalyptic number.

8229211225 is the 90715-th square number.

8229211225 is the 45358-th centered octagonal number.

It is an amenable number.

8229211225 is a deficient number, since it is larger than the sum of its proper divisors (1975573158).

8229211225 is an frugal number, since it uses more digits than its factorization.

8229211225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36296 (or 18148 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

The cubic root of 8229211225 is about 2018.9213619324.

The spelling of 8229211225 in words is "eight billion, two hundred twenty-nine million, two hundred eleven thousand, two hundred twenty-five".