144224422 has 4 divisors (see below), whose sum is σ = 216336636. Its totient is φ = 72112210.

The previous prime is 144224419. The next prime is 144224449. The reversal of 144224422 is 224422441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224422441 = 6361 ⋅35281.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36056104 + ... + 36056107.

It is an arithmetic number, because the mean of its divisors is an integer number (54084159).

Almost surely, 2^144224422 is an apocalyptic number.

144224422 is a deficient number, since it is larger than the sum of its proper divisors (72112214).

144224422 is an equidigital number, since it uses as much as digits as its factorization.

144224422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72112213.

The product of its digits is 4096, while the sum is 25.

The square root of 144224422 is about 12009.3472761845. The cubic root of 144224422 is about 524.4204301136.

Adding to 144224422 its reverse (224422441), we get a palindrome (368646863).

The spelling of 144224422 in words is "one hundred forty-four million, two hundred twenty-four thousand, four hundred twenty-two".