1144322215 has 8 divisors (see below), whose sum is σ = 1445459760. Its totient is φ = 867275712.

The previous prime is 1144322213. The next prime is 1144322227. The reversal of 1144322215 is 5122234411.

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 1144322215 - 2¹ = 1144322213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1144322215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144322213) 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, 6022654 + ... + 6022843.

It is an arithmetic number, because the mean of its divisors is an integer number (180682470).

Almost surely, 2^1144322215 is an apocalyptic number.

1144322215 is a deficient number, since it is larger than the sum of its proper divisors (301137545).

1144322215 is a wasteful number, since it uses less digits than its factorization.

1144322215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12045521.

The product of its digits is 1920, while the sum is 25.

The square root of 1144322215 is about 33827.8319583150. The cubic root of 1144322215 is about 1045.9624886162.

Adding to 1144322215 its reverse (5122234411), we get a palindrome (6266556626).

The spelling of 1144322215 in words is "one billion, one hundred forty-four million, three hundred twenty-two thousand, two hundred fifteen".