219222 has 24 divisors (see below), whose sum is σ = 500760. Its totient is φ = 69120.

The previous prime is 219217. The next prime is 219223. The reversal of 219222 is 222912.

219222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 219195 and 219204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219223) by changing a digit.

219222 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22 + ... + 662.

It is an arithmetic number, because the mean of its divisors is an integer number (20865).

2²¹⁹²²² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 219222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250380).

219222 is an abundant number, since it is smaller than the sum of its proper divisors (281538).

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

219222 is a wasteful number, since it uses less digits than its factorization.

219222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 665 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 219222 is about 468.2114906749. The cubic root of 219222 is about 60.2968621256.

It can be divided in two parts, 219 and 222, that added together give a square (441 = 21²).

The spelling of 219222 in words is "two hundred nineteen thousand, two hundred twenty-two".