144222006 has 32 divisors (see below), whose sum is σ = 301771008. Its totient is φ = 45863840.

The previous prime is 144221981. The next prime is 144222011. The reversal of 144222006 is 600222441.

It is a congruent number.

It is an unprimeable number.

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, 62485 + ... + 64751.

It is an arithmetic number, because the mean of its divisors is an integer number (9430344).

Almost surely, 2^144222006 is an apocalyptic number.

144222006 is an abundant number, since it is smaller than the sum of its proper divisors (157549002).

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

144222006 is a wasteful number, since it uses less digits than its factorization.

144222006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 144222006 is about 12009.2466874488. The cubic root of 144222006 is about 524.4175017912.

Adding to 144222006 its reverse (600222441), we get a palindrome (744444447).

The spelling of 144222006 in words is "one hundred forty-four million, two hundred twenty-two thousand, six".