144001222 has 4 divisors (see below), whose sum is σ = 216001836. Its totient is φ = 72000610.

The previous prime is 144001217. The next prime is 144001243. The reversal of 144001222 is 222100441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222100441 = 593 ⋅374537.

It is a junction number, because it is equal to n+sod(n) for n = 144001196 and 144001205.

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, 36000304 + ... + 36000307.

It is an arithmetic number, because the mean of its divisors is an integer number (54000459).

Almost surely, 2^144001222 is an apocalyptic number.

144001222 is a deficient number, since it is larger than the sum of its proper divisors (72000614).

144001222 is an equidigital number, since it uses as much as digits as its factorization.

144001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72000613.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 144001222 is about 12000.0509165586. The cubic root of 144001222 is about 524.1497614978.

Adding to 144001222 its reverse (222100441), we get a palindrome (366101663).

The spelling of 144001222 in words is "one hundred forty-four million, one thousand, two hundred twenty-two".