2291100388 has 12 divisors (see below), whose sum is σ = 4033435392. Its totient is φ = 1138690280.

The previous prime is 2291100359. The next prime is 2291100391. The reversal of 2291100388 is 8830011922.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1714228 + ... + 1715563.

It is an arithmetic number, because the mean of its divisors is an integer number (336119616).

Almost surely, 2^2291100388 is an apocalyptic number.

It is an amenable number.

2291100388 is a deficient number, since it is larger than the sum of its proper divisors (1742335004).

2291100388 is a wasteful number, since it uses less digits than its factorization.

2291100388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3429962 (or 3429960 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 2291100388 is about 47865.4404346184. The cubic root of 2291100388 is about 1318.3013787606.

The spelling of 2291100388 in words is "two billion, two hundred ninety-one million, one hundred thousand, three hundred eighty-eight".