144422222 has 16 divisors (see below), whose sum is σ = 248046720. Its totient is φ = 61778808.

The previous prime is 144422219. The next prime is 144422237. The reversal of 144422222 is 222224441.

144422222 is a modest number, since divided by 22222 gives 1444 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1772 + ... + 17087.

It is an arithmetic number, because the mean of its divisors is an integer number (15502920).

Almost surely, 2^144422222 is an apocalyptic number.

144422222 is a deficient number, since it is larger than the sum of its proper divisors (103624498).

144422222 is a wasteful number, since it uses less digits than its factorization.

144422222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19415.

The product of its digits is 2048, while the sum is 23.

The square root of 144422222 is about 12017.5797064134. The cubic root of 144422222 is about 524.6600635372.

Adding to 144422222 its reverse (222224441), we get a palindrome (366646663).

The spelling of 144422222 in words is "one hundred forty-four million, four hundred twenty-two thousand, two hundred twenty-two".