8865248220 has 72 divisors (see below), whose sum is σ = 27027864864. Its totient is φ = 2352056448.

The previous prime is 8865248207. The next prime is 8865248233. The reversal of 8865248220 is 228425688.

It is an interprime number because it is at equal distance from previous prime (8865248207) and next prime (8865248233).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89544 + ... + 160463.

It is an arithmetic number, because the mean of its divisors is an integer number (375387012).

Almost surely, 2^8865248220 is an apocalyptic number.

It is an amenable number.

8865248220 is an abundant number, since it is smaller than the sum of its proper divisors (18162616644).

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

8865248220 is a wasteful number, since it uses less digits than its factorization.

8865248220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250219 (or 250214 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The square root of 8865248220 is about 94155.4471074297. The cubic root of 8865248220 is about 2069.6502804839.

The spelling of 8865248220 in words is "eight billion, eight hundred sixty-five million, two hundred forty-eight thousand, two hundred twenty".