1161422286 has 16 divisors (see below), whose sum is σ = 2459482704. Its totient is φ = 364367744.

The previous prime is 1161422263. The next prime is 1161422323. The reversal of 1161422286 is 6822241611.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5693145 + ... + 5693348.

It is an arithmetic number, because the mean of its divisors is an integer number (153717669).

Almost surely, 2^1161422286 is an apocalyptic number.

1161422286 is an abundant number, since it is smaller than the sum of its proper divisors (1298060418).

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

1161422286 is a wasteful number, since it uses less digits than its factorization.

1161422286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11386515.

The product of its digits is 9216, while the sum is 33.

The square root of 1161422286 is about 34079.6462129524. The cubic root of 1161422286 is about 1051.1468304002.

Adding to 1161422286 its reverse (6822241611), we get a palindrome (7983663897).

The spelling of 1161422286 in words is "one billion, one hundred sixty-one million, four hundred twenty-two thousand, two hundred eighty-six".