2291130396 has 18 divisors (see below), whose sum is σ = 5791468592. Its totient is φ = 763710120.

The previous prime is 2291130379. The next prime is 2291130407. The reversal of 2291130396 is 6930311922.

It is a happy number.

2291130396 is a `hidden beast` number, since 229 + 11 + 30 + 396 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 63642511 = 2291130396 / (2 + 2 + 9 + 1 + 1 + 3 + 0 + 3 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 2291130396.

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 5 ways as a sum of consecutive naturals, for example, 31821220 + ... + 31821291.

Almost surely, 2^2291130396 is an apocalyptic number.

It is an amenable number.

2291130396 is an abundant number, since it is smaller than the sum of its proper divisors (3500338196).

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

2291130396 is a wasteful number, since it uses less digits than its factorization.

2291130396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63642521 (or 63642516 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 2291130396 is about 47865.7538956611. The cubic root of 2291130396 is about 1318.3071342795.

The spelling of 2291130396 in words is "two billion, two hundred ninety-one million, one hundred thirty thousand, three hundred ninety-six".