2291879192 has 16 divisors (see below), whose sum is σ = 4306851000. Its totient is φ = 1143385600.

The previous prime is 2291879171. The next prime is 2291879203. The reversal of 2291879192 is 2919781922.

It is a self number, because there is not a number n which added to its sum of digits gives 2291879192.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 315434 + ... + 322617.

Almost surely, 2^2291879192 is an apocalyptic number.

It is an amenable number.

2291879192 is a deficient number, since it is larger than the sum of its proper divisors (2014971808).

2291879192 is a wasteful number, since it uses less digits than its factorization.

2291879192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638506 (or 638502 counting only the distinct ones).

The product of its digits is 326592, while the sum is 50.

The square root of 2291879192 is about 47873.5750910667. The cubic root of 2291879192 is about 1318.4507366965.

The spelling of 2291879192 in words is "two billion, two hundred ninety-one million, eight hundred seventy-nine thousand, one hundred ninety-two".