8820027225 has 45 divisors (see below), whose sum is σ = 16345571407. Its totient is φ = 4701760560.

The previous prime is 8820027211. The next prime is 8820027241. The reversal of 8820027225 is 5227200288.

The square root of 8820027225 is 93915.

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., 3175209801 + 5644817424 = 56349^2 + 75132^2 .

It is a tau number, because it is divible by the number of its divisors (45).

It is not a de Polignac number, because 8820027225 - 2¹⁵ = 8819994457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8820027225.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 4225132 + ... + 4227218.

Almost surely, 2^8820027225 is an apocalyptic number.

8820027225 is the 93915-th square number.

8820027225 is the 46958-th centered octagonal number.

It is an amenable number.

8820027225 is a deficient number, since it is larger than the sum of its proper divisors (7525544182).

8820027225 is an frugal number, since it uses more digits than its factorization.

8820027225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4196 (or 2095 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The cubic root of 8820027225 is about 2066.1252341488.

Multiplying 8820027225 by its sum of digits (36), we get a square (317520980100 = 563490²).

The spelling of 8820027225 in words is "eight billion, eight hundred twenty million, twenty-seven thousand, two hundred twenty-five".