8842581225 has 27 divisors (see below), whose sum is σ = 15840572293. Its totient is φ = 4715291040.

The previous prime is 8842581211. The next prime is 8842581239. The reversal of 8842581225 is 5221852488.

The square root of 8842581225 is 94035.

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

8842581225 is a `hidden beast` number, since 8 + 8 + 42 + 581 + 2 + 25 = 666.

It is an interprime number because it is at equal distance from previous prime (8842581211) and next prime (8842581239).

It can be written as a sum of positive squares in 4 ways, for example, as 923005161 + 7919576064 = 30381^2 + 88992^2 .

It is not a de Polignac number, because 8842581225 - 2⁵ = 8842581193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

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, 1407391 + ... + 1413659.

Almost surely, 2^8842581225 is an apocalyptic number.

8842581225 is the 94035-th square number.

8842581225 is the 47018-th centered octagonal number.

It is an amenable number.

8842581225 is a deficient number, since it is larger than the sum of its proper divisors (6997991068).

8842581225 is an frugal number, since it uses more digits than its factorization.

8842581225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12554 (or 6277 counting only the distinct ones).

The product of its digits is 409600, while the sum is 45.

The cubic root of 8842581225 is about 2067.8848554956.

The spelling of 8842581225 in words is "eight billion, eight hundred forty-two million, five hundred eighty-one thousand, two hundred twenty-five".