1444224411 has 40 divisors (see below), whose sum is σ = 2487554784. Its totient is φ = 817931520.

The previous prime is 1444224407. The next prime is 1444224433. The reversal of 1444224411 is 1144224441.

It is a happy number.

It is not a de Polignac number, because 1444224411 - 2² = 1444224407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1444224461) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 52801 + ... + 75341.

Almost surely, 2^1444224411 is an apocalyptic number.

1444224411 is a deficient number, since it is larger than the sum of its proper divisors (1043330373).

1444224411 is a wasteful number, since it uses less digits than its factorization.

1444224411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22673 (or 22664 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

The square root of 1444224411 is about 38002.9526616025. The cubic root of 1444224411 is about 1130.3464129668.

Adding to 1444224411 its reverse (1144224441), we get a palindrome (2588448852).

The spelling of 1444224411 in words is "one billion, four hundred forty-four million, two hundred twenty-four thousand, four hundred eleven".