1441453221 has 72 divisors (see below), whose sum is σ = 2451321600. Its totient is φ = 812747520.

The previous prime is 1441453201. The next prime is 1441453253. The reversal of 1441453221 is 1223541441.

It is not a de Polignac number, because 1441453221 - 2¹¹ = 1441451173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1441453201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 895065 + ... + 896673.

Almost surely, 2^1441453221 is an apocalyptic number.

It is an amenable number.

1441453221 is a deficient number, since it is larger than the sum of its proper divisors (1009868379).

1441453221 is a wasteful number, since it uses less digits than its factorization.

1441453221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691 (or 1675 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 1441453221 is about 37966.4749614709. The cubic root of 1441453221 is about 1129.6229773092.

Adding to 1441453221 its reverse (1223541441), we get a palindrome (2664994662).

The spelling of 1441453221 in words is "one billion, four hundred forty-one million, four hundred fifty-three thousand, two hundred twenty-one".