1165112322 has 32 divisors (see below), whose sum is σ = 2583745344. Its totient is φ = 347275200.

The previous prime is 1165112321. The next prime is 1165112329. The reversal of 1165112322 is 2232115611.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1165112292 and 1165112301.

It is not an unprimeable number, because it can be changed into a prime (1165112321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140673 + ... + 148724.

It is an arithmetic number, because the mean of its divisors is an integer number (80742042).

Almost surely, 2^1165112322 is an apocalyptic number.

1165112322 is an abundant number, since it is smaller than the sum of its proper divisors (1418633022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1165112322 is a wasteful number, since it uses less digits than its factorization.

1165112322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289474.

The product of its digits is 720, while the sum is 24.

The square root of 1165112322 is about 34133.7416935208. The cubic root of 1165112322 is about 1052.2588775545.

Adding to 1165112322 its reverse (2232115611), we get a palindrome (3397227933).

The spelling of 1165112322 in words is "one billion, one hundred sixty-five million, one hundred twelve thousand, three hundred twenty-two".