2291776117 has 16 divisors (see below), whose sum is σ = 2395673280. Its totient is φ = 2190529152.

The previous prime is 2291776093. The next prime is 2291776133. The reversal of 2291776117 is 7116771922.

2291776117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2291776117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2291776177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 589183 + ... + 593059.

It is an arithmetic number, because the mean of its divisors is an integer number (149729580).

Almost surely, 2^2291776117 is an apocalyptic number.

It is an amenable number.

2291776117 is a deficient number, since it is larger than the sum of its proper divisors (103897163).

2291776117 is a wasteful number, since it uses less digits than its factorization.

2291776117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4212.

The product of its digits is 74088, while the sum is 43.

The square root of 2291776117 is about 47872.4985456159. The cubic root of 2291776117 is about 1318.4309710609.

The spelling of 2291776117 in words is "two billion, two hundred ninety-one million, seven hundred seventy-six thousand, one hundred seventeen".