144441222 has 8 divisors (see below), whose sum is σ = 288882456. Its totient is φ = 48147072.

The previous prime is 144441221. The next prime is 144441247. The reversal of 144441222 is 222144441.

It is a sphenic number, since it is the product of 3 distinct primes.

144441222 is an admirable number.

It is a super-2 number, since 2×144441222² = 41726533225706568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144441192 and 144441201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144441221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12036763 + ... + 12036774.

It is an arithmetic number, because the mean of its divisors is an integer number (36110307).

Almost surely, 2^144441222 is an apocalyptic number.

144441222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

144441222 is a wasteful number, since it uses less digits than its factorization.

144441222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24073542.

The product of its digits is 2048, while the sum is 24.

The square root of 144441222 is about 12018.3701890065. The cubic root of 144441222 is about 524.6830703939.

Adding to 144441222 its reverse (222144441), we get a palindrome (366585663).

The spelling of 144441222 in words is "one hundred forty-four million, four hundred forty-one thousand, two hundred twenty-two".