144331222 has 32 divisors (see below), whose sum is σ = 252555264. Its totient is φ = 60588000.

The previous prime is 144331217. The next prime is 144331223. The reversal of 144331222 is 222133441.

It is a junction number, because it is equal to n+sod(n) for n = 144331193 and 144331202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144331223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145147 + ... + 146137.

It is an arithmetic number, because the mean of its divisors is an integer number (7892352).

Almost surely, 2^144331222 is an apocalyptic number.

144331222 is a deficient number, since it is larger than the sum of its proper divisors (108224042).

144331222 is a wasteful number, since it uses less digits than its factorization.

144331222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204.

The product of its digits is 1152, while the sum is 22.

The square root of 144331222 is about 12013.7929897264. The cubic root of 144331222 is about 524.5498448178.

Adding to 144331222 its reverse (222133441), we get a palindrome (366464663).

The spelling of 144331222 in words is "one hundred forty-four million, three hundred thirty-one thousand, two hundred twenty-two".