144222 has 24 divisors (see below), whose sum is σ = 318024. Its totient is φ = 43344.

The previous prime is 144203. The next prime is 144223. The reversal of 144222 is 222441.

144222 is a modest number, since divided by 222 gives 144 as remainder.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144223) by changing a digit.

144222 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, 3333 + ... + 3375.

It is an arithmetic number, because the mean of its divisors is an integer number (13251).

2¹⁴⁴²²² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159012).

144222 is an abundant number, since it is smaller than the sum of its proper divisors (173802).

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

144222 is a wasteful number, since it uses less digits than its factorization.

144222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 61 counting only the distinct ones).

The product of its digits is 128, while the sum is 15.

The square root of 144222 is about 379.7657172521. The cubic root of 144222 is about 52.4417494519.

Adding to 144222 its reverse (222441), we get a palindrome (366663).

The spelling of 144222 in words is "one hundred forty-four thousand, two hundred twenty-two", and thus it is an iban number.