1144422517 has 8 divisors (see below), whose sum is σ = 1326333312. Its totient is φ = 967117200.

The previous prime is 1144422493. The next prime is 1144422553. The reversal of 1144422517 is 7152244411.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-1144422517 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 (1144422577) 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, 1150834 + ... + 1151827.

It is an arithmetic number, because the mean of its divisors is an integer number (165791664).

Almost surely, 2^1144422517 is an apocalyptic number.

It is an amenable number.

1144422517 is a deficient number, since it is larger than the sum of its proper divisors (181910795).

1144422517 is an equidigital number, since it uses as much as digits as its factorization.

1144422517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2302739.

The product of its digits is 8960, while the sum is 31.

The square root of 1144422517 is about 33829.3144624599. The cubic root of 1144422517 is about 1045.9930479182.

Adding to 1144422517 its reverse (7152244411), we get a palindrome (8296666928).

The spelling of 1144422517 in words is "one billion, one hundred forty-four million, four hundred twenty-two thousand, five hundred seventeen".