144243222 has 8 divisors (see below), whose sum is σ = 288486456. Its totient is φ = 48081072.

The previous prime is 144243179. The next prime is 144243241. The reversal of 144243222 is 222342441.

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

144243222 is an admirable number.

It is a super-2 number, since 2×144243222² = 41612214185882568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144243192 and 144243201.

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 3 ways as a sum of consecutive naturals, for example, 12020263 + ... + 12020274.

It is an arithmetic number, because the mean of its divisors is an integer number (36060807).

Almost surely, 2^144243222 is an apocalyptic number.

144243222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

144243222 is a wasteful number, since it uses less digits than its factorization.

144243222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24040542.

The product of its digits is 3072, while the sum is 24.

The square root of 144243222 is about 12010.1299743175. The cubic root of 144243222 is about 524.4432156114.

Adding to 144243222 its reverse (222342441), we get a palindrome (366585663).

The spelling of 144243222 in words is "one hundred forty-four million, two hundred forty-three thousand, two hundred twenty-two".