8815225188 has 48 divisors (see below), whose sum is σ = 25644294144. Its totient is φ = 2289668640.

The previous prime is 8815225187. The next prime is 8815225261.

8815225188 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (8815225187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4769220 + ... + 4771067.

It is an arithmetic number, because the mean of its divisors is an integer number (534256128).

Almost surely, 2^8815225188 is an apocalyptic number.

It is an amenable number.

8815225188 is an abundant number, since it is smaller than the sum of its proper divisors (16829068956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8815225188 is a wasteful number, since it uses less digits than its factorization.

8815225188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9540312 (or 9540310 counting only the distinct ones).

The product of its digits is 409600, while the sum is 48.

The square root of 8815225188 is about 93889.4306511654. The cubic root of 8815225188 is about 2065.7502008785.

The spelling of 8815225188 in words is "eight billion, eight hundred fifteen million, two hundred twenty-five thousand, one hundred eighty-eight".