8622224 has 20 divisors (see below), whose sum is σ = 17991036. Its totient is φ = 3979392.

The previous prime is 8622223. The next prime is 8622241. The reversal of 8622224 is 4222268.

It can be written as a sum of positive squares in 2 ways, for example, as 960400 + 7661824 = 980^2 + 2768^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 8622193 and 8622202.

It is not an unprimeable number, because it can be changed into a prime (8622223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20519 + ... + 20934.

Almost surely, 2^8622224 is an apocalyptic number.

It is an amenable number.

8622224 is an abundant number, since it is smaller than the sum of its proper divisors (9368812).

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

8622224 is a wasteful number, since it uses less digits than its factorization.

8622224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41474 (or 41468 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 8622224 is about 2936.3623754571. The cubic root of 8622224 is about 205.0562922942.

The spelling of 8622224 in words is "eight million, six hundred twenty-two thousand, two hundred twenty-four".