2291999514 has 64 divisors (see below), whose sum is σ = 5431622400. Its totient is φ = 630862848.

The previous prime is 2291999419. The next prime is 2291999533. The reversal of 2291999514 is 4159991922.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 618114 + ... + 621810.

It is an arithmetic number, because the mean of its divisors is an integer number (84869100).

Almost surely, 2^2291999514 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2291999514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2715811200).

2291999514 is an abundant number, since it is smaller than the sum of its proper divisors (3139622886).

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

2291999514 is a wasteful number, since it uses less digits than its factorization.

2291999514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4247.

The product of its digits is 524880, while the sum is 51.

The square root of 2291999514 is about 47874.8317386077. The cubic root of 2291999514 is about 1318.4738088628.

The spelling of 2291999514 in words is "two billion, two hundred ninety-one million, nine hundred ninety-nine thousand, five hundred fourteen".