8784222 has 32 divisors (see below), whose sum is σ = 18385920. Its totient is φ = 2794560.

The previous prime is 8784221. The next prime is 8784227. The reversal of 8784222 is 2224878.

It is a super-2 number, since 2×8784222² = 154325112290568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8784221) 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, 15154 + ... + 15722.

It is an arithmetic number, because the mean of its divisors is an integer number (574560).

Almost surely, 2^8784222 is an apocalyptic number.

8784222 is an abundant number, since it is smaller than the sum of its proper divisors (9601698).

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

8784222 is a wasteful number, since it uses less digits than its factorization.

8784222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688.

The product of its digits is 14336, while the sum is 33.

The square root of 8784222 is about 2963.8188203735. The cubic root of 8784222 is about 206.3325605192.

The spelling of 8784222 in words is "eight million, seven hundred eighty-four thousand, two hundred twenty-two".