144424422 has 12 divisors (see below), whose sum is σ = 312919620. Its totient is φ = 48141468.

The previous prime is 144424421. The next prime is 144424433. The reversal of 144424422 is 224424441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144424421) 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 5 ways as a sum of consecutive naturals, for example, 4011772 + ... + 4011807.

It is an arithmetic number, because the mean of its divisors is an integer number (26076635).

Almost surely, 2^144424422 is an apocalyptic number.

144424422 is an abundant number, since it is smaller than the sum of its proper divisors (168495198).

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

144424422 is a wasteful number, since it uses less digits than its factorization.

144424422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8023587 (or 8023584 counting only the distinct ones).

The product of its digits is 8192, while the sum is 27.

The square root of 144424422 is about 12017.6712386385. The cubic root of 144424422 is about 524.6627275923.

Adding to 144424422 its reverse (224424441), we get a palindrome (368848863).

The spelling of 144424422 in words is "one hundred forty-four million, four hundred twenty-four thousand, four hundred twenty-two".