2291118468 has 24 divisors (see below), whose sum is σ = 5347655040. Its totient is φ = 763461600.

The previous prime is 2291118463. The next prime is 2291118493. The reversal of 2291118468 is 8648111922.

It is not an unprimeable number, because it can be changed into a prime (2291118463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10693 + ... + 68531.

It is an arithmetic number, because the mean of its divisors is an integer number (222818960).

Almost surely, 2^2291118468 is an apocalyptic number.

It is an amenable number.

2291118468 is an abundant number, since it is smaller than the sum of its proper divisors (3056536572).

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

2291118468 is a wasteful number, since it uses less digits than its factorization.

2291118468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61147 (or 61145 counting only the distinct ones).

The product of its digits is 55296, while the sum is 42.

The square root of 2291118468 is about 47865.6292970227. The cubic root of 2291118468 is about 1318.3048465013.

The spelling of 2291118468 in words is "two billion, two hundred ninety-one million, one hundred eighteen thousand, four hundred sixty-eight".