144222242 has 8 divisors (see below), whose sum is σ = 219072000. Its totient is φ = 71198244.

The previous prime is 144222193. The next prime is 144222251. The reversal of 144222242 is 242222441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456242 + ... + 456557.

It is an arithmetic number, because the mean of its divisors is an integer number (27384000).

Almost surely, 2^144222242 is an apocalyptic number.

144222242 is a deficient number, since it is larger than the sum of its proper divisors (74849758).

144222242 is an equidigital number, since it uses as much as digits as its factorization.

144222242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912880.

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

The square root of 144222242 is about 12009.2565132068. The cubic root of 144222242 is about 524.4177878374.

Adding to 144222242 its reverse (242222441), we get a palindrome (386444683).

The spelling of 144222242 in words is "one hundred forty-four million, two hundred twenty-two thousand, two hundred forty-two".