144003222 has 24 divisors (see below), whose sum is σ = 340371720. Its totient is φ = 43637280.

The previous prime is 144003217. The next prime is 144003229. The reversal of 144003222 is 222300441.

144003222 is a `hidden beast` number, since 1 + 440 + 0 + 3 + 222 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 144003195 and 144003204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144003229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 363447 + ... + 363842.

It is an arithmetic number, because the mean of its divisors is an integer number (14182155).

Almost surely, 2^144003222 is an apocalyptic number.

144003222 is an abundant number, since it is smaller than the sum of its proper divisors (196368498).

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

144003222 is a wasteful number, since it uses less digits than its factorization.

144003222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727308 (or 727305 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 144003222 is about 12000.1342492490. The cubic root of 144003222 is about 524.1521880852.

Adding to 144003222 its reverse (222300441), we get a palindrome (366303663).

The spelling of 144003222 in words is "one hundred forty-four million, three thousand, two hundred twenty-two".