8512224 has 96 divisors (see below), whose sum is σ = 26127360. Its totient is φ = 2376192.

The previous prime is 8512219. The next prime is 8512267. The reversal of 8512224 is 4222158.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 8512194 and 8512203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35497 + ... + 35735.

It is an arithmetic number, because the mean of its divisors is an integer number (272160).

Almost surely, 2^8512224 is an apocalyptic number.

8512224 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8512224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13063680).

8512224 is an abundant number, since it is smaller than the sum of its proper divisors (17615136).

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

8512224 is a wasteful number, since it uses less digits than its factorization.

8512224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 304 counting only the distinct ones).

The product of its digits is 1280, while the sum is 24.

The square root of 8512224 is about 2917.5715929519. The cubic root of 8512224 is about 204.1805399060.

The spelling of 8512224 in words is "eight million, five hundred twelve thousand, two hundred twenty-four".