1444122313 has 8 divisors (see below), whose sum is σ = 1455959232. Its totient is φ = 1432323696.

The previous prime is 1444122311. The next prime is 1444122331. The reversal of 1444122313 is 3132214441.

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 1444122313 - 2¹ = 1444122311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444122311) 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, 68731 + ... + 87247.

It is an arithmetic number, because the mean of its divisors is an integer number (181994904).

Almost surely, 2^1444122313 is an apocalyptic number.

It is an amenable number.

1444122313 is a deficient number, since it is larger than the sum of its proper divisors (11836919).

1444122313 is a wasteful number, since it uses less digits than its factorization.

1444122313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19151.

The product of its digits is 2304, while the sum is 25.

The square root of 1444122313 is about 38001.6093475000. The cubic root of 1444122313 is about 1130.3197761028.

Adding to 1444122313 its reverse (3132214441), we get a palindrome (4576336754).

The spelling of 1444122313 in words is "one billion, four hundred forty-four million, one hundred twenty-two thousand, three hundred thirteen".