2291044347 has 12 divisors (see below), whose sum is σ = 3341416624. Its totient is φ = 1512533520.

The previous prime is 2291044333. The next prime is 2291044351. The reversal of 2291044347 is 7434401922.

It is not a de Polignac number, because 2291044347 - 2¹⁰ = 2291043323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2291043347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1234804 + ... + 1236657.

Almost surely, 2^2291044347 is an apocalyptic number.

2291044347 is a deficient number, since it is larger than the sum of its proper divisors (1050372277).

2291044347 is a wasteful number, since it uses less digits than its factorization.

2291044347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471570 (or 2471567 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 2291044347 is about 47864.8550295517. The cubic root of 2291044347 is about 1318.2906299910.

The spelling of 2291044347 in words is "two billion, two hundred ninety-one million, forty-four thousand, three hundred forty-seven".