222208 has 44 divisors (see below), whose sum is σ = 524032. Its totient is φ = 92160.

The previous prime is 222199. The next prime is 222247. The reversal of 222208 is 802222.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a nialpdrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 222191 and 222200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7153 + ... + 7183.

2²²²²⁰⁸ is an apocalyptic number.

222208 is a gapful number since it is divisible by the number (28) 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 222208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262016).

222208 is an abundant number, since it is smaller than the sum of its proper divisors (301824).

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

222208 is an equidigital number, since it uses as much as digits as its factorization.

222208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 222208 is about 471.3894356050. The cubic root of 222208 is about 60.5693942255.

The spelling of 222208 in words is "two hundred twenty-two thousand, two hundred eight".