144422006 has 4 divisors (see below), whose sum is σ = 216633012. Its totient is φ = 72211002.

The previous prime is 144421969. The next prime is 144422009. The reversal of 144422006 is 600224441.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144422009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36105500 + ... + 36105503.

It is an arithmetic number, because the mean of its divisors is an integer number (54158253).

Almost surely, 2^144422006 is an apocalyptic number.

144422006 is a deficient number, since it is larger than the sum of its proper divisors (72211006).

144422006 is an equidigital number, since it uses as much as digits as its factorization.

144422006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72211005.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 144422006 is about 12017.5707195756. The cubic root of 144422006 is about 524.6598019740.

Adding to 144422006 its reverse (600224441), we get a palindrome (744646447).

The spelling of 144422006 in words is "one hundred forty-four million, four hundred twenty-two thousand, six".