8811222 has 32 divisors (see below), whose sum is σ = 20262912. Its totient is φ = 2502144.

The previous prime is 8811221. The next prime is 8811227. The reversal of 8811222 is 2221188.

8811222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8811192 and 8811201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8811221) 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, 7563 + ... + 8649.

It is an arithmetic number, because the mean of its divisors is an integer number (633216).

Almost surely, 2^8811222 is an apocalyptic number.

8811222 is an abundant number, since it is smaller than the sum of its proper divisors (11451690).

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

8811222 is a wasteful number, since it uses less digits than its factorization.

8811222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292.

The product of its digits is 512, while the sum is 24.

The square root of 8811222 is about 2968.3702599238. The cubic root of 8811222 is about 206.5437452637.

The spelling of 8811222 in words is "eight million, eight hundred eleven thousand, two hundred twenty-two".