1444124221 has 8 divisors (see below), whose sum is σ = 1462335840. Its totient is φ = 1425932112.

The previous prime is 1444124197. The next prime is 1444124257. The reversal of 1444124221 is 1224214441.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1444124221 - 2⁷ = 1444124093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444124291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194646 + ... + 201928.

It is an arithmetic number, because the mean of its divisors is an integer number (182791980).

Almost surely, 2^1444124221 is an apocalyptic number.

It is an amenable number.

1444124221 is a deficient number, since it is larger than the sum of its proper divisors (18211619).

1444124221 is an equidigital number, since it uses as much as digits as its factorization.

1444124221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9755.

The product of its digits is 2048, while the sum is 25.

The square root of 1444124221 is about 38001.6344516917. The cubic root of 1444124221 is about 1130.3202739021.

Adding to 1444124221 its reverse (1224214441), we get a palindrome (2668338662).

The spelling of 1444124221 in words is "one billion, four hundred forty-four million, one hundred twenty-four thousand, two hundred twenty-one".